Strongest 351w block I actually know a few people who claim to have some, but the later model blocks are a dime a dozen. B. It's got enough meat to stand up to big stroker AND nitrous kits Windsor Tech Forums. really don't know why they would go with the 7/16 push rod when a stock 351w block is better to stay in and under the 500hp range now if it was an early nickle block 69-74 yes. There are other reasons to avoid boring beyond . The 1969 351W block has about 10 lbs more material on it than a late model block. 060-4. An '89 351W block is a decent block, it will hold more than your current HO block. Around that point you're better off buying a Dart, which has a proven A 69-71 block is the strongest of all of them (unless you have a neverending bank account to purchase an FRPP unit) Ian 1988 Mustang GT - 422w/IS plate 8. I've Learn about the 351 Windsor, the largest and most powerful of the Ford Small Block engines, produced from 1969 to 1996. I did read that the mexican block theory of higher nickel content is junk. I also didn't plan on automatically building a stroker "just beacuse". 050": 237/237 Valve Lift w/1. 8L/351 Ford small block Windsor Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing! Crate Engine, Marine, Long Block, Assembled, External Balance, Cast Iron Heads, Reverse Rotation, Ford, 351W, Each. 060". S The engine i will be using is a 351W block bored to 408 ci. Each is CNC machined from A356 T6 alloy at It is a much stronger block than the 302. 0 coupe - TTI single turbo 1986 Merkur XR4Ti - 2. He uses a 351w sportsman block. Keep in mind that all 351w blocks are considerable stronger than the factory 302w block. Pylades. 2 KB · Views: 2,993 brianj5600 Active Member. These days you can buy a 4-bolt 351W block through Ford Racing Performance Parts. 5 or very close to with 3" main journals. The 351C is an engine that delivers more power at higher rpm than the standard Ford Windsor small block. The 351C has larger 2. Rick at www. Designed as a successor to the Ford Y-block engine, it was first installed in the 1962 model year Ford Fairlane and Mercury Meteor. , custom 4 bbl mass air EFI, Quarterhorse (self-tuned), AFR 195CC Renegade, XE274HR, GP 4 into1 into 4 I was originally planning to go 408 and then put a turbo on it, but now it looks like I'm going to have 2 good 351w blocks, a '74 and a '93. 503" and most aftermarket stuff is based of the 9. Sort by Oldest first This had to be much, much worse on the block than if it had fired at the right time and made 740hp. Apr 12, 2002 6,698 550 204 tucson,az. The R block Dart Special High Performance Ford SB 8. although the reinforced cast-iron webbing makes the block stronger than the original side-oiler and allows for bore diameters of up to 4. 200, 9. ALL EARLY BLOCKS are STRONGER than ANY "roller-block". All 1994 to 1997 f-series trucks had roller blocks, I'm not sure about the e-series and bronco's tho. The 69 and early 70s production blocks were the strongest and can be converted to 4 bolt main. Can this 2-bolt block handle up to 650-700 HP as it's the only one available in my area or should i wait 3 Related Story:10 Small-Block Ford Crate Engines Under $5,000 Despite the 351 Windsor being slightly taller and wider than the 302, it fits in most cars that were originally offered with a 302ci A 351w block of any year can handle 700+hp with no problem. PS -by the time you buy the The 79 block, as with all 351w blocks, is strong enough to handle 600+ hp. What engine 351W or big block 390. 015 inches, and a 4. there is alot more metal in them, especially if you don't bore them out. If you're turning high RPM's with strong spring tension, throw in a set of rocker girdles as well. For a 400-500 hp street driver a roller 351w block is fine. This is providing that both blocks are still rebuildable. It retains original factory engine mounting bosses and bell housing bolt pattern, making it a bolt-in replacement for cast iron Windsor blocks. The Shelby Alloy Windsor block is 45 percent lighter, yet stronger than the factory cast iron version. -2000 Mustang GT Steeda #0048. Dart Small Block Ford Race Series Aluminum Blocks $ 5,736. I never had any issues with the caps but I did, however, blow the mains right out of the webbing on two separate blocks The Mexican 302 blocks are the strong ones, and the 1969-1974 351W blocks are also strong. Here's a shot of my DSS Girdle: Attachments. A friend of mine with his 408 just pushed the mains Maybe a mounting boss changed, or something really minor. it outputs around 425hp and torque is about 420. 4V swap from a 99, Full Tilt IRS w/Steeda springs, MM K, MM The 69' block is the strongest stock 351w block. P. 040-4. If you are staying under 575hp the Roller block with stock dog bones is the way to go. 48 deck height so compressin will be a bit higher than the 90 block. Dart's professional assemblers start with their own Ford Sportsman cast iron blocks and custom fit Ford Short Block - Ford 351 Windsor Short Block, 393, 408, 418, 427, Stroker, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE Coast High Performance | (310) 784 1010 | The Home Of Pure Horsepower sleeving 351w block? just wandering,can a standard 351 windsor block be resleeved with oversize sleeves (4. Other than that the cranks are pretty stout and the rods for the 351w that came in trucks have a stronger big end so people will tend to search for those when building a budget motor that’ll be seeing a bit more power and rpm. GALLERY. all 351w blocks are of about equal strength, and comp cams and crane both have retrofit roller cams, and link bar lifters that will make it easy to build a roller cammed 351w. The 351W blocks are much stronger than the typical 302 blocks, like gnvair stated. The The first two years of the 351 windsor was '69 and '70. 71 inches on the exhaust — matched those of big-block 1969 and 1970 were the strongest 351W production blocks made in the '69 through '74 years. O. The Ford Motor Company built the first 351W in the mid-1970s and continued to produce this engine through the 1990s. Aftermarket blocks such as the Man O’ War from World Products alleviate the problems of the stock block and feature several STRONG They really didnt change the blocks much until 1976. HP is in the heads and intake. Performance & General Engine Building - How strong is my 69 351w block ? - Just got a 69 351w block and want to build a 408 with turbo for my 69 shortbox. introduced their Windsor small block engine family in 1962, releasing the 289 and 302 into the automotive wilderness. , 850 Mighty Demon most any 351 block will do fine except as noted the 69/70 blocks have a shorter deck height so pistons may be a problem, i'd advise contacting the piston manufacturer to see which block the particular pistons are designed for. I'm having trouble finding any info. The 75 -down are fairly strong. It is a much stronger block than the 302. My 351W came out of a 71' LTD. It offers a blast resistance of 3,600,000, which allows players The Shelby Alloy Windsor block is 45 percent lighter, yet stronger than the factory cast iron version. The truck rods are know as football rods. To identify, like said take off the lower intake and look at the lifter valley. Anything over that you will need to have it sonic checked to see how thick the cylinder walls are. tires are the great equalizer I saw a 2 bolt main hydraulic roller 351W block for sale on Ebay today and was thinking about making an offer for it if I could take it out to the 400CI range with a stroker rotating assembly. I've heard, don't know for sure, but I've heard Plan is to get engine into garage (back up pickup & lower to floor somehow). It is also flat at the top of the main webbing. 0:1 Ford resolved to use a cast iron block as a basis and cast the block with other metals to enhance the rigidity for a stronger block. 48 deck height, 50cc chamber, and . 04@150mph All season this year zero problems we shift at 7200rpm To me a 351W is a strong block much better than a 400sbc Everyone says the pre-'74 blocks are stronger as they changed the casting after '74 and used thinner main webs. Core Charge $470. 0/302, 5. 4 something in deck height and the main webs are arguably the best 70-74 are the standard 9. You have to use retrofit tie bar style lifters or a retrofit small base circle cam if hydraulic roller is what you want to use. 94 up ford trucks have a roller block. 60 Falcon Prostreet 393 stroker the 9. I am using a 74 block with just a little bit of cement (an inch or so Check out how we push a junkyard 351 Windsor past 1,000 hp and to the brink of destruction by adding heads, a cam, and intake to a stock 351W short-block. 10 Year Member. I have a question. for improved piston support; Four deck heights: 8. 010 to 0. 0 out of 5 stars Oh so many choices. All production Ford 351W factory blocks had 2-bolt mains. I've not seen any info saying one is better than the other. The 69' to 74' blocks are allegedly stronger, but I have seen guys on this site getting 600 plus HP on the later blocks. This MABBCO® Remanufactured Premium Long Block is for a Ford 5. Anyone ever went the other way with the 351W block? De-stroking seems to be a bad word today. One thing that can help a factory block These early blocks also have a stronger thick wall casting design and are often thought of as the strongest factory 351w block. 07 Mustang GT convertible, D. DoctrVendetta • 351w blocks don't split in half, that's the 302 which is essentially an The '69-'70 blocks will be stronger with little weakening of the webbing when done right and not using the splayed caps. 69-70 blocks are the strongest prodution blocks but also have a 9. 26 60ft) best 1/4 mile A production 351W block with a good stroker kit and a healthy power adder WILL NOT stay together. 2" deck blocks out of a unique iron mix, with added material in critical areas, for the strongest possible cast block. The D351 sportman is not as strong. 4. Hot Rod Vic Chambers. 48 dh) and D1AE (9. With a 9. 5 deck height (31375135 / 31375235) SHP block; You choose which block, SHP or Iron Eagle; Bored on Kwikway Boring Bar People say the 351W block is good for 600-650, but I've seen different ones run as low as 5. The Shelby 351 block is fully CNC machined. 8L) out of a 94 E150. 9,692 95 99 PA. That makes it a heck of a lot easier. 050, peaked at about 7200 shift 7400. Jump to Latest Follow 3K views 1 reply 2 participants last post by Fast351 Apr 12, 2002. The 500 will be plenty strong enough. Jump to Latest So the short block needs to be able to handle a max of 550hp. More. , custom 4 bbl mass air EFI, Quarterhorse (self-tuned), AFR 195CC Renegade, XE274HR, GP 4 into1 into 4 Out of curiosity, what would the weight difference between a 302-based stroker and a 351w-based stroker? dcurtis. Advice taken, thanks mate. 19 inches on the intake and 1. 125"x4. '70-'74 351C had a 9. Drag79stang is running a late model block with about 625 HP and it's been together for about 2 seasons, give or take. But it might also have underlying issues that make it a time bomb ready to destroy your expensive parts and hard work. 00 Each . "Torque is the grunt Windsor Tech Forums. 104 posts · Joined 2004 Add to quote; Only show this user #1 · Jan 16, 2007. 2 deck height with 2. A year later, the 351 high output(W HO) was offered and with 210 horsepower it was the most powerful engine available in a Ford truck next to the 460 Big Block, and the 351W HO was the most powerful engine available in the F150. Some people have pushed that block to over 1000hp. You could even easily (Compared to the Cleveland) go with Fuel Injection. strongest 351w block 351W, D2 block with main caps,cam bearings & freeze plugs - 167 lbs 351C, D0 block with main caps, cam bearings, missing freeze plugs - 168. 351w block strength. Lots of posts flying around about block strength, so what is the threashold for a 351w? What are the good/bad years for a 351W block? So far, all I know is there was a different deck height between 69-70 and 71-96 and the lifter bores are a bit different on the roller blocks. 48" vs 9. It is possible that it is a 74 casting and the production date was stamped later when it when to the production line. 23" comp. I am using a 74 block with just a little bit of cement (an inch or so The strongest 351w block is the 69-70, but any 351w block is still substanitally stronger than a 302/5. I'm pretty sure all 351C blocks are as strong and stronger than the strongest 351W production block (C9s), and some 351Cs had factory 4-bolt mains (Windsors never did). Originally produced with a displacement of 221 cu in Which production year had the strongest 302 and 351w? Jump to Latest Follow 2K views The 94-96 351W blocks were roller blocks. They also have a low deck height (distance from the center of the crankshaft to the top of the cylinder block surface) compared to later year The Ford Performance BOSS 351 Engine Block is cast from diesel-grade iron and designed with added material in key areas to create an engine block far superior to any Ford OE block ever produced. Ford is telling there usual nonsense stories about cooling on the street. Dart’s Aluminum blocks have the features that Ford racers need to build powerful and reliable engines. Related Story:10 Small-Block Ford Crate Engines Under $5,000 Despite the 351 Windsor being slightly taller and wider than the 302, it fits in most cars that were originally offered with a 302ci Now the 351w stock block can handle 750ish horsepower, but how about a fully stock rebuilt short block with a current rebuild, how much would that be able to handle in a boosted application approximately? This is on an early 351w block, the stronger version. Stu Dart Aluminum Small Block Ford Blocks. The casting number will start with F4 through F6 if it is. Anyhow, the impression I took away from this is that 351W blocks are a heck of a lot stronger than we're giving them credit for. What were the good years? When did for stop making them as When muscle car enthusiasts talk about the mightiest engines produced by Ford during the 1960s and 1970s, the Boss 351 rarely gets mentioned. 490 from the factory. It retains the original factory engine mounting bosses and bell housing bolt pattern, making it a bolt-in replacement for cast iron Windsor blocks. 125-inch bore capacity, finished at 3. Block is filled about as high as you can fill a windsor block, runs on Methanol. Just picked up a crank to put it back together. 2. 0 V8 Find FORD 5. I think ill just run arp studs and a trick flow stud girdle. Are you going to run a hydraulic roller cam? Typically a modern roller hydraulic cam is the most desirable, so the '95 block would be a great choice. In the Ford 2-bolt blocks, lightly radiusing the block/bolt holes is especially important, as that is the area that "block split" failures originate. 040" over. 69' block have been proven to be stronger, thicker webbing in the main cap areas allow for more stability. Ford 351W Windsor B-4. When a dart block was decided on, then the question of 4. There is a local swap meet going on today so I might check If that engine is going to make anywhere close to 800 hp you better toss that 351W block and get a 351C. 5 deck block like the 1971-1997 blocks, then simply cut . 2" Deck Design - Four Bolt Main Caps 1969 vs. The Shelby block offers these premium performance features: Expanded Water Stock block 351w hp limitations? Jump to Latest the flywheel on motor turned 8300rpm and sprayed 200 for three years never had any problems. There are the car rods and the truck rods, the truck rods being stronger. All other production 351W blocks it is a toss-up whether or not it actaully makes the webbing too weak to do at all and it (most Nah, a 351W block can handle that especially with 4 bolt mains where the extended 7500+RPMs will make the 2 bolt caps walk some but not the 4 bolt mains. Ive heard of 302 blocks not being very strong in the webbing thats why I was concerned about a 351w block too i never knew they were so much stronger. , 850 Mighty Demon These early blocks also have a stronger thick wall casting design and are often thought of as the strongest factory 351w block. I need some input on using that block for a stroker,393 or 408. the later heads, after 1976 iirc, are the same as the 302 heads as far as port size and valve size go. Are they strong enough? H beams seem a little overkill for a stock crank. No factory 351W block ever had a 9. About 700 HP give or take. I'd like to use a factory 351W roller block for my buildup. Top. 5. The reason being is that the 69-70 W's are stronger blocks and are the preferred choice. 022 2200-6400. Starting with a bone-stock 351W truck engine, we bored the block 0. webp. HI,new on the board. Ideal for sprint cars, modifieds, late model stock cars, dragsters, unlimited open competition classes, supercharged, turbocharged and nitrous applications! These Ford Performance Big Bore Cylinder Blocks (M-6010-B35192BB) offer increased cubic inches for your next engine build. But in the past it was used as a way of improving reliablity The 69/70 351W blocks are hell for stout but they have a 1/2" shorter deck height than the later motors so you will need to be careful about buying parts like rods, pistons, etc to match your block. 11. F4TE roller (or roller ready) blocks. I have a production 351W block right now, when finances permit I may go with the 393 setup. They make retrofit linkbar hydraulic roller lifters. These blocks featured a deck height of 9. This would go into 68 standard, with a C4. Then dissassemble block. SBF. You decide. From 75 until the 5. and you get a stronger factory block as a bonus. com is putting the whole longblock together for me. 6. oilpan4. Don't go crazy - do the job as normal, This "soft" block thing and other out right LIE's like some claiming its a dart copy (dart is a copy of the old out of production Ford FXE/SVO blocks) have been a perpetuated by YB internet forum dart/parts salesmen & there fanboys with there own agendas to push there own products they sell online, in fact the truth is Dart blocks have there own issues with metallurgy It's a better block and much stronger and mo-betta. rnhperformance. Personally, unless you're pushing 550hp + I really don't see it being a big issue. how much will they take?Good question. 1) You utilize a block with tall lifter bores that can accomodate factory roller lifters OR 2) You utilize a block with short lifter bores that can only 450-500 HP out of a 351 block is not tough to do. Now when I say "strongest" we aren't talking about a night and day difference across the board of all production 351W blocks. Where as the roller block will be Ford Motor Co. 200" Deck (302) Short Block Simplify engine building and save time with these assembled short blocks. I had a friend who used those spacers for the 351C crank and There are 2 different deck height 351W's. Reply reply More replies. 03 vs. Over the years, aftermarket manufacturers have satisfied the need for a stronger Windsor block, answering the call with both 8. 0 block. 2" deck height. 200” (351C) and 9. Small Block V8 (221, 260, 289, 5. I wouldn't be surprised if one with a girdle could take 900hp. There's no question that the early blocks are the strongest, but they're also probably the hardest to find. 503" deck height. The main things I have gathered so far: Roller blocks all have pistons with large dishes in them and no valve notches. I have a customer who has a 71 block with milodon 4 bolt splayed caps AND a probe billet girdle that makes 700rwhp(408 with YS vortech on 100 octane unleaded)Its still hanging in there!!Good luck!. Later years, while lighter, may lack the same robustness. BUT you don't have to have the expense of converting the block to a roller cam. My build is going to be a weekend warrior, potentially a daily driver if it's reliable enough. 00 Each. This block is identifiable by its 1pc. 8) and is the desireable f4te roller block. So basicly for what I plan on doing I can look for almost any 351W block I want. 1067 posts · Joined 2001 Add to quote; Only show this user #1 · Jul 15, 2006. 48" deck height, and everything built AFTER '70 had a 9. 2) The 1969 351W blocks are stronger in the main bearing area but they are not setup for a factory hydraulic roller cam arrangement. 8L came out, the quality of 351W blocks was suspect. So Performance & General Engine Building - 351W vs 351C - I have a question. It has a 4-barrel carburetor and 8. These blocks had high nickel content or something like that which made them a very strong block. 500” (351W) allow displacements up to 450 cubic inches; Siamesed cylinders racing championships. I currently make close to 600 hp and could squeak into the NINES with a Jerico but I'm currently installing a 'Glide and hooking up an NOS Bigshot. Neither one is roller cam ready, it is no big to convert as I use a 69 block and roller cam the small base circle cams are about the same price as reg hyd rollers, if you use link bar lifters then its expensive. I had a 85 351 block from a crown vic and the mains were ALOT thicker than the 302 mains of a late model roller So from my memory, all I can tell you for certain is that the C90E (9. 69 and 70 were 9. The 351W offered 150 and 210 horsepower until 1985 when the lower powered 351 was discontinued. 351Cs are getting a bit hard to find these days, 351W are just about a dime a dozen. 501 dh) castings are the most desirable. Member. 8's went roller cam in 1994 except Whether you’re building a stock Ford 302 or even a stroked 347, the stock block may be fine for these applications. Anyways it's easy to convert to a roller block. Any solid roller lifters will work. The other non-exotic blocks of the area aren't great. There is lesser nickel content in the 74 vs. 0/5. 125-4. 503" deck height, which I have a 351W D4 block that I wanted to build for a car that weighs 1250kg(2750lbs). hmm That is correct. 592 Lobe Separation Angle: 108 Intake Centerline: 104 Valve Lash: . The '69-'71 are supposedly good to about 750 HP. 8 351W motor, model years 1994-1997. I have been serching and reading a lot of info on the strength of the 351 block. That is still more than the average enthusiast can dream about. HOME. Be sure to do this before the block is machined. 73 gears, steeda lowering springs, BMR Performance & General Engine Building - How strong is my 69 351w block ? - Just got a 69 351w block and want to build a 408 with turbo for my 69 shortbox. This make it possible to go with 4 Do you know the model codes on the 351W block that would tell me if it is from a F150 or Lincoln? The 400M rods aren’t for strength, mainly to increase rod to stroke ratio, The Sportsman 351W blocks are plenty beefy for your application. 3. 1969-74 engines had somewhat better heads with larger valves than the rest. so you're getting good deal. ” Dart offers this block in 8. It's quite a bit stronger than a 302 roller block. Truck/marine were no different. Owner says it Our 5. - Steve Oh so many choices. Now the 351w stock block can handle 750ish horsepower, but how about a fully stock rebuilt short block with a current rebuild, how much would that be able to handle in a boosted application approximately? This is on an early 351w block, the stronger version. 68stang351. 0's for example, and 94+ 351W blocks. 395nzder Discussion starter. 00 – $ 6,142. 995 inches This block is out of a 69 mach 1 with 4 barrel carb. Part Number: DRT-31375235 5. 0 out of 5 stars. I have a chance to pick up a 95' Ford F150 extended cab. Ford Performance casts these 9. He had to cut about 3/4" from the counter weights to get The late 70's and early 80's are at the bottom. Save Share From what I have read the 69-71 blocks are the strongest. 512 @ 232°, 750 But, it was a E3AE block--which is the 'weak' later model. strongest 351w block Most 351w blocks you will only want to overbore . about the only real difference is the cylinder heads. ~Ryan~ 1969 Mach 1- 357w: 11:1 compression, ported Canfield heads, FTI billet solid roller cam, Vic Jr. rear main seal, roller lifters, and #E7TE cylinder head casting. I went for the 351w because the blocks are supposed to a bit stronger in the webs and pan Windsor Tech Forums. 00 – $ 8,395. So how strong will it be if I just overhaul it, leave it stock and run it with factory pistons, heads, and cam? How would these work out with GT-40 heads and F4TE 351w block? And is an 1800 rpm much different than a 1200 off the line? Last What year 351W block would be the best to find in a scrap yard for rebuidling? As far as ease of finding parts, quality of block, etc. A 351C (4-bolt) will hold to around 1000hp. 44 inches. 107. 480 deck height and are the strongest and the 71-74 From what I have read, the best year for 351W blocks are 1969, 70, and 71. May 26, 2009 #2 May 26, 2009 #2 302's are around 460lbs. '99 explorer 5. Boss 302 blocks. 020-inch over, fitted KB flat-top pistons to the stock crank and rods, installed a Crane hydraulic roller cam, and reassembled The true roller F4TE blocks are plenty strong unless you are going for a 700+HP motor in which case I would opt for an early year block and have to go with the small base circle cam. Sort by Oldest first Whether you’re building a stock Ford 302 or even a stroked 347, the stock block may be fine for these applications. 480 deck height and are the strongest and the 71-74 blocks have the 9. Now if you are starting with a 9. This block is out of a 69 mach 1 with 4 barrel carb. All 351W's are still thin-wall castings and using Hard-Bloc helps to provide very strong cylinder walls. I fail to see how removing such a small amount of metal will create more heat in the engine. Take a close look and you'll see why Fords fly with Dart! 351W Mains. , 850 Mighty Demon There are 4 main types of 351w blocks. In terms of older blocks, the only thing better than a 74 casted block is the 69 block. 5 deck, which is what allows for the stronger rods. The code on the block reads D1 . 3L turbo As pointed out already, the late 60's blocks were stronger. Dart blocks for Fords are produced on dedicated tooling and machined on state-of-the-art CNC equipment. 500 inches plus 0. 2- and 9. Stroking, however, will be the better path to a fun and torquey street engine. If this is going to be mostly a strip car, you can cement the block up to the water pump holes to greatly increase stability in the bottom end. Anything between those 2 dates will be completely interchangeable and just as strong as the next block. having the early block just makes it easier to get zero'd. 700" lift and 274 duration @ . I have heard stories of 69 blocks taking alot of power. Everywhere on the block and caps. Also 351w blocks are good for more that 700hp. 000 stroke + 6. The Shelby block offers the Starting with an aftermarket block you can build a 427 with a 4. the party line is that you shouldn't go much above 450 hp (at the crank) with a stock 302 block, but people have done it, just look at jr (94turbo5. 125 bore. I was originally going to do a pre-'74 block stroked to 408, but have ended up with a Dart sportsman stroked to 427. He said he has tried 3 times and all the webbing in the block cracked. I was told that an A351 block can support over 1000 HP. It's not the strongest 351w block, but it will hold 600rwhp. But also, that block is a slightly shorter deck from the factory, I think they are 9. Shelby 9. The Shelby block offers these premium performance features: Expanded Water Pm me the price along with the cams specs It is a 10rib set up with a 8" crank pulley I have a customer with a stock block 350sbc original 4 bolt main with studs with a d1sc Procharger at 12psi with run 9. If you are going to be making big HP, you might as well step up to an aftermarket 4-bolt block anyway and the non-roller vs. 800 hp is usually the limit to a stock 351w block depending on what rpms you are turning or if you are using nitrous or forced induction. Post '73 blocks aren't as strong, but are lighter. Big bore block 4. In addition to the F-150, it saw duty in the Bronco, Ford LTD/Crown Victoria, Mustang, Torino, Thunderbird, Fairlane, and Galaxy, as Every edge. 200” (302), 8. also the last couple of years they were designed for roller lifters. Non-H. Or should i just buy a dart short block. The only oil problem I read about was a lot of the 95 roller cam blocks would crack the cam tunnel were they were drilled and tapped for the lifter hold down spider. Each MABBCO® long block is custom assembled as ordered so please call for current build times. You may be able to take it out to . Solid roller with around . 5 Deck Engine Block" I concur, I didn't know that was available without replacing crank/rods/pistons. 250" deck height 351 windsor type xe 93532 race block is the 1966 Grandfather to the later 1969 prodution 351windsor block which was also originaly suppose to have a 2. A I know the early Windsor blocks were thicker and had a higher nickel content and are stronger than late models. 1969 vs. I'm looking to make 500-600 hp at the crank. If it will be race only, possibly look into having the block cemented, you'd be fine for like 1000+ crank The 94-96 351W blocks were roller blocks. 503" figure and cutting the deck to zero. Block Prep/Instructions; PRODUCTS. :confused: The Shelby Alloy Windsor block is 45 percent lighter, yet stronger than the factory cast iron version. The 351 Cleveland blocks were cast in Cleveland thus the "C". 48" and are considered the strongest of all factory 351 windsor blocks. 592/. The truck runs pretty decent except for a lifter tick. 5s and have the same excellent caps/webs It also rumored that 69 blocks are stronger with thicker main webs but I haven't seen any real proof that there is a substantial difference but you know "they This had to be much, much worse on the block than if it had fired at the right time and made 740hp. Mine is from a 69 cougar. 000" bore/stroke. 5-inch deck-height versions. you read one thing, and another in next months. 69-70 are 9. They are the weakest of the production 351W blocks Ford produced, but they will handle 600 HP without a problem. Is there a cutoff year? -69 Mustang - 351W AFR 185, Vic Jr, . height piston). Let me tell you more like 280 and with the exhaust modification maybe close to 300hp. Sep People say the 351W block is good for 600-650, but I've seen different ones run as low as 5. Personally, I like the low first gear; mine has a 3. The 351W also came in cougars. If you are looking for BB power, you can easily stroke out the 351w to 393 or 408 (and I think the wrist pin oil problem is no more Windsor Tech Forums. 000 M-2. 125 came up. I think it all depends upon what you intend on doing with the engine. 1969-74 blocks were 10 years heavier as they had some extra metal arund the crank mains that some people believe makes them a tad stronger. My question is how much stronger is the 69&70 then the 71-74? Depending on who you ask, pre-'75 blocks are heavier (meaning they're slightly stronger due to more material) or they're all the same (meaning they're all the same strength). 022/. tires are the great equalizer Thanks Walter, I just had a look at the "Ford Racing M-6010-BOSS35195 Boss 351W 9. In Survival mode, the block is indestructible without using the bug exploitation. when looking at a chebbie 351 4 bolt main block and a 351W sportsman block, the caps are equally bulky. All the 351w blocks will handle in excess of 600 hp. The roller blocks are about the weakest. A engine with a bigger bore and stroke can safely handle more hp, but the 351W block is still plenty strong enough to support a powerful engine. 5 lbs Measured twice each on the same digital scale (range 0-300) that tells me to lay off the Mexican food. TITUS PERFORMANCE HIGH-PERFORMANCE Just It is a 1969 block which is the strongest stock 351W block. S. !!!!! I have gone down the road that you are only now about to travel. I'm really not sure on the 73 blocks. Fully Assembled 351w Based Short Blocks Aluminum Dart or SVO block Diamond Forged pistons Matching rings Eagle 4340 Forged crank Premium Manley Forged rods Clevite Hardened bearings 351-446cid $10800 up to 950hp #short446w+ email us for custom quote. Aftermarket blocks such as the Man O’ War from World Products alleviate the problems of the stock block and feature several The 79 block, as with all 351w blocks, is strong enough to handle 600+ hp. What year(s) should I be looking for? Any difference between car and truck There are different rods in different 351w. 5″ Deck Small Block Ford 351W Bare Wet Aluminum Block CSX-Windsor10-103 $ 8,135. Jump to Latest 28K views 13 replies 9 participants last post by allenman85 Jan 17, 2007. My 408 was Blocks produced between 1969 and 1974 feature high-nickel content, enhancing their strength and durability. 60 Rockers: . but it's supposedly good to around 7200 RPM (lifter float) from the balance sheet. 20 over all the 9. 125" bore TREperformance race prepped Dart SHP 4 bolt main (on #3,4,5) 9. 155, or any bore size you specify; You choose, 302 8. Jun 14, 2003 351w Short Block build up strength. It has the 351W (5. All rollers had cast pistons except lightnings which had hypers. 75" main journals, and most others are 9. I race with a guy that says no stock 351w block will hold up to the stroker meaning hp and torque. I'd pull it and either keep it for a project if you have the room or sell it separate from the car. 206" deck height. 2002BLGT Well-Known Member. 030-4. May 16, 2002 850 9 39 I've got a 351w lightning intake, an Explorer upper intake, and an A9L computer and a RJM harness. IIRC, the roller blocks weigh about 20 pounds LESS then a 289 block!That should tell you something. 0 block to around 400 hp while I have read other sources say about 600 hp. Just a regular 351w block but with slightly better webbing. But if you are going solid roller or flat tappet lifter, the older block could be a little stronger. 5″ Deck Small Block Ford 351W Bare DRY Aluminum Block CSX-Windsor10-103-DRY $ 8,135. Dart 31395135 Iron Eagle Gen 2 Small Block Ford Sportsmen Block w/351 Cleveland The 351W is named for the factory in Windsor, Ontario that produced them. i imagine it is a similar story with the 351 blocks 69-70 351W blocks has a slightly lower deck height (9. 280 piston. 480 and 71 up were 9. I'd Just got my hands on a 69 351w block, and also have a 74 351w block. 8/351W) - what year 351w block is the strongest ? - Just got my hands on a 69 351w block, and also have a 74 351w block. Contributing Member. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each. 48" (4. From what I've read, the 69-74 blocks had a higher nickle content, thus making them stronger. It has never been cracked open and has 225,000 miles. 12 at 122 mph and 1. Tony_90fox Discussion starter. Jan 19, 2006 688 7 39. 75" mains Crank: SCAT forged steel 4340 4. They have a higher nickel content than blocks cast from '75 on. Part Number: HME-DMA1R. The Fords are lighter, yet their 2-bolt mains are much stronger than the GM 2-bolt blocks These early blocks also have a stronger thick wall casting design and are often thought of as the strongest factory 351w block. 500 Billet Main Aluminum Engine Block | MPN:PCE286. the 69. The strongest production 351W blocks were 1969-1974, after that 351Ws got weaker as time went on. aren't cheap. Not really any "stronger" than a 2 bolt main 351W block except for the Cap walking being under control with the 4 bolt main caps. Lastly I want a decent set of forged 2 valve relief flat racing championships. Facebook; You can see why Fordstrokers is THE leader in the small block ford market. also, the summit block advertised says hyd flat tappet or hdy roller. Now if you want to stick with a production block, there are a couple pretty popular stroker combos that seem to work well; The 393 and 408. FORD RACING 351W SVO SPORTSMAN BLOCK. Any stock 351w block will easily handle 600hp. 65 mustang fstbk, pump gas street friendly Camshaft Innovations cammed . The Ford small-block (aka Windsor V8) is a series of 90° overhead valve small-block V8 automobile engines manufactured by the Ford Motor Company from July 1961 to December 2000. Ford rates the 5. 1969 351W block height. 8/351W) - What years to get 351W roller block? - Will be building up a 351W this summer. 167 posts · Joined 2002 Add to quote; Only show this user The beefy 351W block has huge 1/2" main and head bolts that will stand up to WAY more abuse than the 302 block. 040 thick gasket my program says there will be The 351W blocks are much stronger than the typical 302 blocks, like gnvair stated. The Ford 392 crate motor only uses stock block. I'm convinced the expectation that boring a block makes it run hot is a myth. 0L) V8. Sep 30, 2005 (but a 4-bolt cap with a girdle would be strongest of all of course). Last summer I bought a '92 coupe with plans to put a 351W based stroker in. Next block I use is a D4DE '76 model block (cast in jan '76) and will be 408". they all can handle alot of power. 700” (stroker 302), 9. 5 deck heigth and are stronger then anythig newer. There are many differences between the GM and Ford blocks. 1994 was the year 351Ws received the roller cam. The 351W/5. strongest 351w block I thought I read that the 69' - 70' 351W blocks came with the 9. Dec 24, 2003 #7 Dec 24, 2003 #7 Yes many 351W blocks take 600hp+ but you are always on borrowed time if you push it or get greedy. I plan on using my T-5. From about '87 and up the blocks got better but still not as strong as the mid 60's 289 block. TITUS BLOCK. 503. 125 bore)and still be strong as an original block? thanks in advance for any replies Even the after market blocks with the big bore in them are so close that there aint much wall between them at 4. as i recall it was used for only a couple of years though so they will be tough to find. That means, with the right stroker crank, this block can top The 351C, 351M, and 400M engines are close cousins of the 221/260/289/ 302/351W engines in that they have the same bore spacing, but 335-series engines employ a completely different block where very little interchange is possible. rbohm. Very infrequently do Engine Block, Cast Iron , 4-Bolt Mains, 4. Once I get it on the garage floor I can do the rest of the dissassembly by myself and probably even move the bare block back into the truck. 29. the 351W, the block on the 351 is far stronger then the 302. As for the block. Estimated Ship Date: Today. Each is CNC machined from A356 T6 alloy at Howards Cams, Mechanical Roller Camshaft, Ford Small Block 221-302, 351W: Ford Small Block 221-302 1963-1995, 351W 1969-96 Advertised Duration: 269/269 Duration @ . (The pre-74 models of the Windsor were 25 lbs heavier than later models). all 351w blocks will handle about 600hp or The 351 engine was a family of high-performance V8 automobile engines introduced by Ford in 1969. Feb 3, 2004 there is a MUCH stronger after market for the 351w. It could have been used in many apps from Mustang/Cougar to Torino/Montego etc. - Steve The stock 351 was rated at 290 hp from ford for the 4 barrel version or 250 for the 2 barrel. 73 gears, steeda lowering springs, BMR Small Block V8 (221, 260, 289, 5. 80's. I have a 351w i race every weekend. my plans are to rebuild the bottom end just enough bore to clean it up say . 303 posts · Joined 2007 Add to quote; Only show this user #14 I pulled a complete 351w (5. 480" deck height. They added the features that Ford racers need to build powerful and reliable engines. Our new 351W aluminum small block and engine will give a lot of Ford owners a taste of that level of winning performance. no one has ever seemed to have an issue because of this though some folks still believe the heavier blocks are stronger anyway. 4K views 3 replies 4 participants last post by Beoweolf Jul 16, 2006. The 69-70 blocks are said to be the strongest ones made although all of the 351 windsors are pretty stout. 200 and 9. " Much lighter than the cast iron version, the Shelby 351W block was designed to be the strongest on the market. I was building a stroker engine. 125 in. You don't want to go over 0. 50-inch deck height, finished at 9. 12 (1. 155 are just fine on the street Hi Folks, I was just wondering if anyone had any experience for block strength of a standard 351W block. roller debate becomes a How strong are the 94+ 351W blocks? 1992 5. High nickle content and thicker main webbing. 1049 | UPC:840136533061 The blocks webs are stronger and fitted with billet steel 4-bolt main caps. 50"), which makes it easier to achieve zero deck height (piston at TDC even with the top of the block). 060. The SVO blocks are 9. The early 302 are also stronger. Ford installed flat tappet cams in roller blocks well after they were first produced. JMO, paulie . Kato, speaking of 351W blocks have you ever been into a Mercury marine 351W just woundering if you have seen any info on them beig stronger like the older 69ish ones and or higher nickle? There have been heads and such i have pulled off the marine SBFs that were a bit differt than car / truck production stuff. 125. Not a 302, but close enough, they are pretty strong. 750" crank with 4 bolt mains before it got changed again at production time, also Shelby/DeTomaso had a early connection as to why the first code named ("stretched"deck) Not a 302, but close enough, they are pretty strong. Nonetheless, a thin walled 351W is still WAY stronger than any production 302 block. 500 deck block in a 4. I never had any issues with the caps but I did, however, blow the mains right out of the webbing on two separate My understanding is that 351W blocks thru '74 were the most desirable. 07 Victory Vegas Jackpot 93 F150 4. 990 to 3. The 5. . 8/351W) - Block selection - Building a 351W - Hey fellas, So I want to start planning out my 351W build for my 1978 F150, but I need a hand starting my selection of blocks. 53 60 ft all motor. If I were doing a high power factory 351W block, I'd put a half fill of Hardblok in it, use ARP main studs, and get good light pistons. 125 M-351C DH-9. 040" bore on a 351W if you plan to race it. . 00; Freight Charge Since 351W blocks are still cheap and plentiful, I don't think there's any reason to bore one beyone . If it will be race only, possibly look into having the block cemented, you'd be fine for like 1000+ crank 1969-70 blocks were slightly shorter which only matters as far as cllecting parts to rebuild one. Dec 18, 2003 2,945 4 59 Our 351w Dart SHP block stroker 427ci short block is designed for 600hp+ vehicles looking for a strong foundation for high horsepower. 750" crank with 4 bolt mains before it got changed again at production time, also Shelby/DeTomaso had a early connection as to why the first code named ("stretched"deck) Ford 351W Windsor B-4. What are the basic performance differences in low end HP and torque for the 351W vs 351C engines? it is a VERY strong and reliable small block. cab0154 Pro not as strong as an aftermarket block of course but a lot lighter too. What in one mag. They will reliably hold 1000-1200HP before the webbing becomes an issue(if machined right). Bulding a 408 with a turbo for my 69 shortbox. You don't even need to stroke it to get there. 480" deck height, after that Ford went to a 9. I grabbed this block because I can use the existing EFI(expect upper intake) stuff and the roller cam. Out of stock. The Shelby block offers these premium performance features: I know there's got to be lots of people here who have used stock regular 351w's and Lightning 351w's. But there is no signifient difference in the 351W block between '83 when they went from to the 1-piece rear main seal to '94 when they added the roller cam provision. GT450 supercharger, Blankenship dyno tuned 465 rwhp, 3. Its a 75 block. The block came out of a 1976 truck. Find out the stats, measurements, casting issues, and I have been serching and reading a lot of info on the strength of the 351 block. 500 4-Bolt Billet Main Iron Engine Block | MPN:1-286-005-01 | UPC:840136502456 The blocks webs are stronger and fitted with billet steel 4-bolt main caps. i have also heard that the older 351 blocks are stronger. What year(s) should I be looking for? Any difference between car and truck Bedrock is a very strong block inside Minecraft. Jump to Latest 5. that said use what ever 351w block you find in good shape. I was thinking about just putting the '93 in the car and then putting a turbo on it, and then keeping the '74 on the engine stand until I can afford a nice fully forged kit from Woody. :confused: That itself will make the main webbing stronger. 351W stroked & poked to 396 c. 8 Engine Tech. Looking at a 408, I would like to get about 480 to 500 FWHP and about the same or a little less on the torque. The camshaft just brings everything together. Take your pick. i would look for a 69 or 70 block seem to be the strongest . Also, if you do crack a wall, minimal coolant loss should prevent hydraulicking a rod out the side! (pan off only) from the rail to the mating point of the caps to the crank's bore (main caps on). Unless you plan on running more this block should do it and they're easy to come by here in Nashville. I'd say it'd take 600-650 hp for quite a while, depending on the rpm, tune, etc. In this comparison between Home of the largest cubic inch Small Block Ford – bar none! top of page +1 301-932-9292. The 351W is a variant of the 351C (a designation it shares with the European market variant, the DBA). Thread starter darkness falls; Start date Feb 3, 2004; darkness falls New Member. The part of the rod where the bolt fits through isn't machined as much, making it football shaped. But the caps are still 2 bolt caps that will walk around with enough power and the cylinder walls are still thin. 500 inch deck heights, though maximum cubes was the goal, we selected the 9. I had a friend of mine who has a lathe did most of the fitting to the 351W block. Well, if you stroke the 351W to 427 and use really strong, light weight crank, rods, pistons and valve train you might get away only spending $10000 on the engine. You'll be paying over $1000 for one that needs work, and no one really knows what they stand up to. 1969 351w is a strong torque motor. 1994 351w Block Which One to Use. If you already had There are two ways to do that. However, there are aftermarket 4-bolt 351Ws that are stronger than Clevelands. Also, as I stated before, the early model blocks have a 9. During its lifetime, the 351W found its way into most of Ford’s car and truck lineup. 2 deck height (31374175 / 31374275) or 351W 9. DO you think I believe 69-70 blocks were the thick-walled, short-deck 351W, 71-72 blocks were the thick-walled, tall-deck 351W, and anything past that is a thin walled, tall deck 351W. 480 deck height, while the 71' and later blocks had a deck height of 9. My preferences were to either build a 331 in a 302 block or build a 351w in standard dimensions. It has a 9. Planning on using a late model roller block and have read those are good for over 600-700hp. for instance the long rod 351w i plan on building the KB pistons i'm going to use are designed for the 71-later blocks and they said that The 351C, 351M, and 400M engines are close cousins of the 221/260/289/ 302/351W engines in that they have the same bore spacing, but 335-series engines employ a completely different block where very little interchange is possible. Jan 4, 2010 #3 You should not have a problem registering the car with the latest CACC/SEMA Replica registration law. It shares the same small block V8 bellhousing pattern and motor mounts of the August 1964+ Windsor engines*. '69-'70 351W had a 9. Founding Member. 1. Lastly I want a decent set of forged 2 valve relief flat Ran a 414" C9 block for a long time in the race car. My 351W block is has the 74 series serial numbers. This is the same block that Dan Millen used to support nearly 2,500hp with in his Super Street Mustang. 250 rod + 1. Our 5. and 351's are around 510lbs. 8-liter 351 Windsor Short Block Engine is on sale. i. 0). '71-'96 351W had a 9. The 351W blocks were cast in Windsor canada thus the W. I've done some reading and it sounds like the earlier blocks are stronger. The 351W block will fail around 650-700hp range. 9, AOD(winter beater) 89 5spd Coupe, 351C EFI Spyder, AGS 4 suspension 80 LX 11:1 carb'd 351C w/GForce T5, 17x9 95 R's(daily driver). Now about a roller block. strongest 351w block Factory 351w blocks can handle 700-800hp. Ideal for for supercharged, turbocharged and nitrous applications! Features Include: Extra thick cylinder walls & decks, 4 bolt splayed mains, Ford Racing aluminum blocks are offered for 351W applications, with stock four-bolt main bearing journals or the larger 351C mains. 200 rod, Probe 1. 00-4. C. Where as the roller block will be Starting with an aftermarket block you can build a 427 with a 4. The 351W was discontinued in the late 70s as an engine for sedans but continued its presence in Econoline vans and F150s. 5" 351w block with cleveland 2. 020 off the deck to square it and run the piston at 0 deck, this is most common for me, as ANY windsor block will go 700hp. Move pieces to basement for rebuild and block to machine shop. Save Share Like. The best 351W blocks with heavier block The engine i will be using is a 351W block bored to 408 ci. I'll be hitting the salvage yards to find my block. They are the strongest nodular iron cranks Ford made. It is part of the long-running Ford small block Windsor V8 family, which also includes the venerable Ford 302 (5. When I was looking for mine, I wanted one of the old "strong" ones but I also wanted a tall-deck block. I would really rather run a factory block beings i can get those pretty darn cheap compared to aftermarket which will be at least 1500. BREAKING NECKS & CASHING CHECKS!! Save Share The 94 HD block is really strong and its made for the crate engines, and besides, any 351 block is going to handle at least 750 horses if its built right. You might also consider getting a billit steel core cam and using the new Phenolic Resin distributor gear from Comp Cams (part# CC-35100) with it. 63@158. 00" stroke part# 4-351C-4000-6200 (balanced with the rest Check out how we push a junkyard 351 Windsor past 1,000 hp and to the brink of destruction by adding heads, a cam, and intake to a stock 351W short-block. To answer your question, an aftermarket block is going to be the strongest but if you're not going to make more than 650-700hp any 351 will do as was already said. ANY Bore size you want. Features and Benefits: - 9. Techinspector,,,with the 1969 Windsor block he likely won't need to cut anything to get a zero deck, the first two years of 351W blocks are 9. If you need an exceptionably strong 351w block design FRPP and Dart both offer aftermarket 351w blocks in many varieties. I just sold my seized complete C9 351W for $200 and the guy was happy to get it. This number is arrived at by taking the block's bore and stroke into account, as well as the quality of the materials used in its construction. They were cast with bosses for 4 bolt mains I'm building a 408W and need a deck of at least 9. You will spend $500 more if you go with a older block and link bar lifters. Feb 3, 2004 112 0 0 Kansas. SmockDoiley New Member. A 351W block can safely handle a maximum of 425 hp. Most 351w blocks you will only want to overbore . Just after a strong block to build a stroker with. But in the past it was used as a way of improving reliablity “It has the most built-in customization ability and strength out of all the blocks. Oo. 0 351w Short Block build up strength. The 302 can't really handle more than 450hp r We've updated The windsor block is also a 9. I know that the 69 & 70 block have a 9. 060 over 289, face plated T5. The strongest 351W blocks are 69-70 blocks, 71-74 close to them. If you are worried about cap walk you can use a main stud girdle for extra insurance. For some reason these were the strongest 351W ever produced, but very hard to find. ChicoB Discussion starter. 749 DH-9. 740-inch main bearing journals than the 221/260/ 289/302, yet smaller than the 351W and 351/400M. Save Share Reply Quote Like. However, this The design allowed for unparalleled airflow at high RPM, and its valve sizes — 2. dley ngxca runc ovdqocv zcixf rcden wkqnbbyap ogaf osd svosnw