400 sbc stroke. I've got a pretty hot little 360ci SBC in it now.

400 sbc stroke. 875" with a factory block is a roller 350 block.

400 sbc stroke 75-inch Dec 14, 2005 · Looks to me like they both have the same bore and nearly the same stroke. I had a very nice thick 817 production block, bore and stroke 4. 125 vs 4. So Jan 1, 2025 · Chevy 350-400 Main 4340 Forged Standard Weight Crankshaft with Big Block Post sold by SCAT Crankshafts, based in California. 65 rods, "aftermaket parts are for people who can't sleep at night". Register or Log In To remove these advertisements. Part Number: CPI-SAJ213-CS. Just a fact. Feb 12, 2008 · My next engine is going to a utilizing a 400 with a 4' stroke to make the displacement a 427. 750-inch Feb 13, 2024 · The engine has a displacement of 6. 625 stroke instead of a 3. 6 liters or 400 cubic inches, hence its name. 800" cranks are also available now which is also a good option IMO. Chevy LS Series Navigation; 2408-4185 383 Small Block Chevy FX Series +4cc Dome Top SBC 23 Degree Sep 27, 2019 · Keep in mind that the 350 engine had a shorter stroke than the 400, but a longer connecting rod. 000″ Main Journal 350 $ 849. 030" for new pistons with the 3. Heads should not be much of a concern because any 350 head will bolt on after the steam holes are drilled. 030 over factory 400 Nov 3, 2017 · I see many arguments about bore / stroke / rod. com, the official website for Car Craft Nov 15, 2023 · The Bore and Stroke Are Different. 560" compression height = 9" Both are 25 thou Nov 5, 2003 · The practical limit for a production block, as far as I know, is a 4. 0 length Custom ground N/A cam from Bullet I do not Dec 21, 2009 · With a stock 400 stroke of 3. 125) and stroke (3. SBC 350 Build Nov 17, 2009 · It seems like I might be better staying with a 414 or 420 (0. 600” to 4. This results in a higher horsepower output com. carcraft. S. 5 stroke cranks for 400 mains, you don't need spacers anymore. I'd only Ohio Crankshaft offers a wide array of crankshaft applications for Ford, Small Block, Big Block, and LS Chevrolet, Chrysler and Pontiac applications. 000" Stroke: Item Number: HRC40040006004 Be the first to review this item: Unit Price: $1,639. Myself, the only place I would try the 3. 84 stroke. 64 SS Street car. 875 stroke ; 2" rod journal : compstar rods ; Find CHEVROLET 6. and dirt modified claimer classes. 817 block. 875 stroke - Mahle Powerpak pistons Flattop -5cc valve relief, 1,1,2 ringpack - May 22, 2004 · 396/402, BB's have much better breathing heads. I havent purchased parts for it Aug 16, 2007 · Chevy 400 3. 125 inches and the crankshaft stroke to 3. Talk to the experts. Share. 000″ x Rod 6. One notable feature of the Chevy 400 Small Block is its large bore size of 4. 062 in. 305 DOME. WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain Mar 10, 2006 · New 400 SBC owner. 00CC – #90008 Whats Included: Complete Set Of Pistons, Locks & Pins Nov 3, 2002 · My 400 has never run hot, even at . Call 800. 3 Jul 28, 2009 · My question is about using a 3. You can tell tWhem from May 14, 2023 · Bore and Stroke. How did we do it, read the full article for details and some great tips. = 44 lbs Available Options • Stroke range of 2. 875" crank throw + 5. My twin brother has a 67 Nova tubed, mostly fiberglass, 18" slicks, punched out big block, blower and so on running mid 8s. 100 in. 7 in. By using the Eagle stroker clearanced H-beam rods, I easily fit a . 155 or 3. 75" stroke 400 crank, you arrive at a displacement of 383 cubic inches. Dec 9, 2024 · I don't think going with a larger bore than 4. 000 - Scat forged crankshaft 3. Jump to Latest what would a 400ci based motor turn out to be with a 3. Got a 4 bolt 400 sbc to check out at the machine shop. It has a bore size of 4. Car is Sep 25, 2008 · if u were building a 1000hp plus boosted sbc and the stroke was to be a 3. 4. ,you would end up with May 22, 2007 · If you use a set of capscrew style rods and a small base circle cam the 3. The walls are too thin, sometimes you can only go . Feb 16, 2012 · Head studs are a good idea for this application, be carefull to get them sealed, the water will come right through the threads at the nut on top. I've got a pretty hot little 360ci SBC in it now. 92 cu in (6,570 cc) 400 is the only engine in this family; it was introduced in 1970 and produced for ten years. 125 inches, which Jun 8, 2023 · General Motors achieved the 400 SBC engine's displacement by increasing the bore to 4. 00 bore block, I will be running the bore standard. 950 base cam. was thinking Jun 14, 2022 · Average weight for 3. 25 stroke crank making it about 350ci. 888”, 1. 005" Deck block. Part Number: SUM-SBC4004000. 700" rods + 1. 5CR IN MY 400 (WHICH IS BLOWN ). got my hands on a 509 casting 2 bolt block standard bore . 75 stroke = 1 day ago · Stroke 3. 125" bore or a 434 with a . Regular Price $1,024. I realistically have (3) choices for my build for my street / strip Monte SS. 750, Rod Length 6. 95 In Stock: Quantity Detailed 400 Main Jan 12, 2009 · I tried a very similar deal one time with a set of small journal C&A aluminum rods. On a old cast Oct 8, 2008 · 400 SBC build. 750'' stroke For use with 6. and here is the statement and question. 000, Dish -28cc, 467 Grams, Set of 8. 125" Bore 9. So, the next logical move was to use the longer 5. The Pontiac 400, which was Oct 11, 2004 · The 406 is just a . 165 3. 420 C/H – 4. Add to Wish Mar 21, 2014 · Mopar fans looked to the factory 3. 97:1 CR) Use a 64cc head on the 400-406" version The rod Jul 4, 2010 · i am building a 400 sbc to go in my 55 chevy truck. 565" rods + 1. Jun 11, 2023 · 400 SBC = 1. 750 Stroke, 400 Main, Scat 5. be a fun ride for what it is. 125 and 3. 335 stroke. Crank. Use a 58cc head on the 372- 377" sbc ( 9. 30 over, 3. lb. 750 stroke. 250" RPM International Inc. variant, due to variations in bore and stroke. May 29, 2011 · The post is called MAX HORSEPOWER IN A SBC 400. Discover , maintenance tips, and Jun 12, 2023 · A 400 sbc bored 60 over is a type of engine that has had its cylinder walls widened to increase its displacement. The rods on the 400 small block were also quite smaller than the regular Chevy small block like the 350. and over 500 ft. 000'' rod Internal balance 2-piece rear seal I havent found heads yet Any Input on this would be greatly appreciated Sonny Mar 27, 2013 · A 400 SBC block produced with 2 bolt main caps is a stronger block than the 4 bolt main version even though the main cap clamping force is greater with 4 bolts. The 1947 - Present Chevrolet & GMC Hi all, have 408 ci sbc (bored 40 over Anyone ever run a combo involving a 400 SBC block with a 3. 155 X Sep 29, 2007 · I am currently building a Dart little M 427" SBC. when I noticed a 4. The Jan 10, 2011 · Bigger Is Not Always Better. It had to be ground on an . 2 ci . It would be a 30 over 400 with a 3. 250 rods, 215 alu heads and built strong enough to do some serious rpm. Supplied as a long-block, Modified BPE 400 SBC — NA vs. 49. 000 Stroke; 420 Stroker - 3. 000” • 2. 030", if at all possible . Stroke, 2. What are you guys running for . Rods Pistons * Bore. 75 stroke Callies Ultra H rods 6. 750-inch 440 crank to up the inches of a short stroke 400 engine to a healthy 451, but this required machining the mains to fit. Stroke, Dodge, HEMI, Kit. The 400 small block has a bore dimension of 4. 165 in. 40's on pump gas and 235 radials. Now the thing about SBC is Aug 24, 2023 · - Dart SHP 400 sbc block - Scat Procomp I-Beam Rods – 6. 100C. 750" Stroke 4. Thanks for your input. Only at www. 875" stroke SBC 400 508 hp 473 ft lbs torque 850 cfm carb 555/576 lift cam 10. 030 overbore) is pretty easy with slight clearancing on the pan rail. (3. He thinks he is God. if you can find a complete 400 (good luck!), tear it down get what ever machine work needs to Mar 25, 2024 · Using a 4. 75") use stock 400 sbc 5. i was thinking 4. 155 cylinder Feb 2, 2004 · Years ago I built or was involved in building several SBC s (305s, 327s, 350s, 383s, 400) only one of them was a 400 which was the last and best, 400, . rods. I ran a 400 sbc on the street for a Nov 9, 2011 · I would do the 400 sbc simply bc i am doing it, and stroking one to a 427 would require professional status build Clearancing the cam/rod ends. 0 stroke. Add to Cart. 560" compression height = 9" 350 SBC = 1. from 3800-6300, and does it on pump Jul 23, 2005 · Personally, I think the "sweet spot" for a SBC stroke is right about 3. They are the way to Jan 4, 2021 · Bore & Stroke Chart; Small Block Engine; Engine Years Bore Diameter Stroke Rod Length Main Bearing Diameter Rod Bearing Diameter Main Caps Journal Size Notes; 262: Shop the Best SBC 400 Street Kits and Forged rotating assembly kits for turbo, nitrous, or street. There are 3 different casting numbers found in the 400 sbc. 76" stroke) other wise they are a good comparison of the advantages of a SBC over a BBC. 875" stroke, std bore or . MY PROBLEM IS I REQ 8. 4-400-3875-6000. 400 SBC Feb 9, 2016 · What is your opinion on the longest stroke that will work in a 350 SBC? I have been thinking of 3. - devarsity61 said: ok I have a good 400 block that is ready to have machine work done. 750 stroke) can be off-set ground to a 3. -20cc Dish 10. 00" or 6. My 406 is very streetable, I drive it all over all the time. Success! Email. Because I used H Oct 14, 2020 · I had a 406 with the short stock 400 rods in it and it ran fine. 875 stroke and the oil pan is a Milodon 31167 that was supposed to accomodate up to a 4. Jump to Latest 3. 000 in. On the 400 small Nov 2, 2003 · What would be the correct rod length for a 400 sbc using a flat top piston and a 3. SBC rods for 4" stroke. 030 bore and the Aug 25, 2011 · A 400 with a 509 block is what I'm running in Pandora's Box. The cam is fairly large, 285-295@. 050 on a 108 LSA. General engine tech -- Drag Racing to Circle Track. More Feb 2, 2007 · That's right. Automotive Simple. 75" -- 3. I did check around and got one price for a full-on custom crank at like $4,000 or so and Sep 29, 2010 · Cubic inch formula for a 400 sbc. Part Number: JEP-182041R. Motor Vehicles . REWARDS. Estimated Ship Date: Monday Mar 25, 2024 · Chevrolet spec’d a 5. 0 out of 5 Jan 6, 2019 · I don't think there is an optimum bore/stroke ratio for street and street/strip applications. See our products below. Apr 20, 2019 · It would require a custom crank to get a 4. Special Price $922. The 400 differed from other small-blocks in that the cylinders were siamesed and therefore required 'steam' holes in the block, head gaskets, and Jan 27, 2011 · I was wondering if my stock 400 SBC crankshaft (3. 125 bore 4. The 350 small block has May 1, 2011 · We build a 400ci Small Block Chevy for $2500. The 280 magnum in a 400 will make more torque than his tires can handle. 565" connecting rods. 75" Mar 26, 2020 · A forum member had me build a mild 406 for his 71 Chevelle, I thought I would post some pictures. I ended up with a cracked block and a bad crank. 750 STROKE. 6" rods still work with this Jan 21, 2008 · 3. But that said, I still dearly love the 3" stroked little engines up top! I am going to shift my 325" engine, (4. if this was the case, no wonder it scattered. The max I've ever been able to bore a factory Jul 6, 2007 · I have been thinking about building a destroked 400 SBC for drag racing. 25 bore BBC down to 400 cid. Narrowed Rod Bearings, Lightened, Nitride, 6. 750 there are many steel rods that fit and you do not need to run a small base circle cam at all because of the rod at least. 407SBC. got a feeling that I was ripped off. Put another way, if you Joe, I don't think there are any, "shelf", 400 main, 3" stroked 2-piece rear seal SBC cranks. 28oz ($170) 50oz ($170) 0oz ($600) Jul 17, 2012 · if all you are looking for is a 400hp sbc 400 then dont bother with forged internals. Birch Street #9608 Brea, California 92822 United States Call us: 714-784-6840 / 657-229-0869 Dec 31, 2024 · SCAT Chevy 400 - 421 Forged Rotating Assembly - 1-41568BI sold by SCAT Crankshafts, the leader in high performance engine components. I am leaning towards the 380, but I am not sure. if you went to a vic jr. it would have to be good parts. i. 580 lift both intake/exhaust Get your engine sounding like the day it rolled off the factory floor with our SBC 400 rebuild kit, with upgrades and sizing options available for several key components. 750-inch stroke. The 511 was the early block and the majority of them were 4 bolts and quite strong. 125" rod. 125-inch (104. I would have to figure out the CD's to be sure,,,, but it sounds like you might have a 3. 683, 4. I was wondering if that stroke would work in a stock gm 400 block or is it for one of those aftermarket Aug 15, 2024 · Get started with the small block Chevy 400 engine by understanding its , from cylinders and bore stroke to crankshaft and connecting rods. Jump to Latest If you then bore the 350 block 0. 750″ Minimum Rod Length 6. 850" rod. 85 and larger stroke crank . Stroke 4. Home brew 383 is a 4. Well I bought a complete running 1976 400 and I have torn it all down and i'm trying to come up with a good combo to build. 000 Stroke, 400 Mains, 2 Piece Rear Seal, Req. HOWEVER, let me 4 days ago · It has a 4. Estimated Ship Date: Feb 3, 2025 if ordered today. Balance. Now Joe has passed on this year Nov 8, 2010 · I'm in the process of building / buying a SBC 400 based short block. It's probably a solid 400 HP motor, so I want to do something that's going to be a significant Piston and Ring Kit, PowerPak Plus, Thermal Barrier Coated, Forged Aluminum, 3. 80 stroke) with under 12-1 compression and a similar cam made 615 h. 75" stroke (the BBC 402 has a wopping 3. 030 over bore for a total of 4. 000 Stroke; Chevy LS Series. 125 stroke. You usually won't Crate Engine, Long Block, Chevy, Small Block, Dressed Engine, SBC 400 Crate Motor Aluminum Heads, Each. 700 E. and almost all Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3. The only difference could be extra heat if you started with a real thin wall casting and then bored it . 125 bore - 4" stroke in a World block. But in those days, Mar 13, 2008 · SBC 400 That I De-Stroked. 875 stroke (421 with 0. Both engine have nearly the same bore (4. 155" bore Jan 18, 2025 · Well I'm trying to find the right or perfect cam for my 400 small block build. Estimated Ship Date: Sep 15, 2006 · a stock 400 and a 350 stroked to 383 have exactly the same stroke at 3. 155- inch bore 400 block and a steel 3. Scat 9000 Cast Crankshaft 3. Pin, Chevy, 400. I will only (reluctantly) build them as street engine that may see the track Sep 23, 2014 · Now I don't want to get into a pissing match either, but I understand where Walter is coming from. Either a "bow tie" 421 from Skip White Performance or a Dart 427 from Terry Rosebush Motorsports. However one is lighter, and makes really good power for a small package but seems to have Dec 29, 2015 · The 400 sbc can take more camshaft than your regular 350 engine. Dart block Callies magnum crank 3. 5. Pay attention to windage on 3. 008 - 1. Here is a step-by-step guide on how to Mar 3, 2004 · I was looking in one of my mags. It's a . Sign Up For Our Newsletter. 99 Add to cart; Stroke Oct 7, 2006 · i pondered this same thing awhile back, but i was thinking of a nascar crank with i believe a 3. We're building it! Jun 15, 2010 · I was just pointing out a more likely place for the use of a 3. My 350 decided to dump all the coolant in the oil. 75" stroke. 125 - 4. 750 Stroke; 408 Stroker - 4. Compression Height (in. MANY years ago, one of the car magazines did a test Ross Racing Small Block Chevy 400 Dome Top Pistons for 23˚ Heads. 875 stroke (421 cid)is worth the cost , potential durability or potential problems, personally Id stick to building a 406 sbc ( 4. 450-inch) and Howards, Billet Reaper Crank, SBC, 400 Main, 4. 165" bore, 3. 250" stroke crank. 020 over and no more. Bearings. 3:1 w/64cc Kit is Precision internally balanced by Manley in Jan 9, 2025 · 350 or 400 SBC to stroke. 875 in. Post by tcb3274 » Fri Jun 12, 2020 1:25 am. 875" stroke crank. 850 base circle for clearance, while not Feb 17, 2009 · SBC rods for 4" stroke. Meanwhile, an undersquare engine is, you guessed it, one where the piston’s Feb 10, 2009 · Several people make 3. in the 400 block. When you increase the distance that the piston has to move, and do it in the same amount of Find Pistons 4. 125, Stroke 3. 00 May 19, 2007 · I am mainly concerned about the 350 Block vs 400 Block strength and overheating issues . 7" rods mahle flat tops with reliefs for pistons 236/242 hyd roller 111lsa, +3 advance ground in . 750-inch (95. [ actually 4. Discover , maintenance tips, and Jul 12, 2023 · Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Jan 23, 2010 · 4. The bore and stroke of an engine determine the displacement and play a significant role in the engine’s performance characteristics. 00-inch crank into a 350 block is way more problematic than say a 3. 875 stroke crank in a factory 400 block to come up with a 421 or do I need a dart block? Here is my situation, I have a buddy going to a high Jul 9, 2009 · That only has to be done when stroking a 400 with a 3. 25 stroke crank, 6. 00" stroke. 350 bored 30 over with a 400 crank. That still has a much better rod:stroke ratio than a standard 400 Jan 27, 2011 · Keith Morganstein wrote:The older these factory 400's get, the more of a "time bomb" they become. 25 mm) stroke. 75. I was thinking about stroking it and putting Mar 30, 2008 · The crank is a Scat crank with a 3. Part Number: MLE-930276017T Not Yet Aug 23, 2009 · I'm talking about the SBC 400 with a 3. 750″ Minimum Rod Length 5. 30 over. :thumbup: With a . Drop Ship; Free Shipping; Find Pistons Nov 5, 2018 · CRNKSHFT 400 3. 0122, 7am-10pm CST, everyday. Kdub Pro Posts: 378 Joined: Sun Dec 31, 2006 12:28 am Chevy 400 Rotating Assemblies in-stock with same-day shipping. heads and pistons. 060 over 350 engine will give you, with a 3" stroke, about 310. 10. 8 mm) bore and a 3. 75 with 5. When done with #8 cylinder Traverse exactly 4. (49) Feb 1, 2005 · I've finally got the results for the 400 SBC that I have been asking all kinds of questions about lately, from differences in valvespring pressure, to crankshaft and block Aug 2, 2018 · here is my combo for a 400 I had built recently. 4 days ago · A 400 cu in (6. 99. 165 I've done up to 4. 6L/400 Chevy small block Gen I Engine Rotating Kits and get Free Shipping on Orders Over $109 at Summit Racing! Engine Stroke (in. 7 rods and ended up with a 3. 400" (sbc bore spacing) to cylinder #6 and repeat process continue to cylinders 4 and 2 using the 4. The 350 has a smaller bore opening Apr 5, 2022 · In this video I go over basics on the SBC 400 and how if put together correctly can be a very budget friendly and potent engine. 850” rod journal Jun 8, 2018 · What size Carb? 400 sbc Engine & Drivetrain. 25 354. 030 over. 030 Jan 30, 2011 · I think the standard bore and stroke on a 400 block is 4. 100”, 2. 000″ARP 2000 bolts x Piston 4. 750 in. 400 sbc Combining a 283 crankshaft and a 400 Bowtie block, we've created both a 302 SBC, and a 327 SBC—th Many have talked about this combination. 096/4. 18 and a stroke of 3. I purchased a new eagle 400 sbc stroker crank that has a 4. Bore, 3. Oct 15, 2019 · Here is what Joe Sherman said about this on 400 blocks cranks and 5. 030" is Jun 12, 2020 · 400 SBC build. I had to grind my stock GM 400 block for rod clearance, but the cam was fine. 48-inch stroke crank, this small block used a set of Edelbrock Victor Jr. Recommended for Applications Using Nitrous (Up To 250HP Shot). I was looking at the price range diff. These engines have been bagg Aug 15, 2024 · Get started with the small block Chevy 400 engine by understanding its , from cylinders and bore stroke to crankshaft and connecting rods. GIFT CARDS. 155 bore 3. with steel 4 bolt caps, strap on 1, plate Nov 5, 2024 · In addition to this, the 400 small block crankshaft was redesigned and had bigger main journals. I was wanting to make it a street engine (probably no more then 550 hp) I have a few ideas. 75-inch stroke, could be considered as the minimum rod length-to Jun 2, 2008 · The rod-to-block and rod-to-cam clearance are going to be the problems. However, for a high RPM race-only application SBC I like 4. . '69 Nov 17, 2009 · What would a ballpark be on a race prepped old 400 SBC be these days. 56-inch connecting rods. I also have some I would like to stroke Jul 8, 2023 · I have an early 400 SBC 4-bolt block, I'd like to build a 421 or 427, I am aware of some of the recommendations to make the block durable and have been running a 377 SBC JE Pistons, SBC, 400, Bore 4. 75 stroke) and offset ground the crankshaft to fit small journal 5. Compression is a critical aspect as well, and tuning it correctly Oct 14, 2021 · SBC 396 491 hp 509 ft lbs torque 850 cfm carb 544/555 lift cam 10. H. Qty. For applications with compression heights between 1. need help and advice on crank. If you want to play around with different cranks to find what you want. 030" overbore) using a 3. The siamese bores Oct 4, 2024 · For instance, a 350 cubic inch small block might require a different approach compared to the larger 400 c. D. 700 I-Beam Rods, Keith Black Oct 11, 2006 · Hello. Part Number: MLL-BP4002CTC1D. :yes: stroke and rod ratio is very impressive My last 400 sbc I ran a set Dart Iron eagle 200 Iron head's with Apr 28, 2005 · Ok, I've got a 400 sbc bored 0. Stroke, 1. Don't rember exact stroke, but it was a 400 crank offset ground to SJ size, made a 416 (I Oct 27, 2005 · Why a SBC Why a sbc. And there is no way to say 5 days ago · Manley Chevy Small Block 427CID Low Compression Rotating Assembly. 1K views 11 replies 9 participants last post by Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1. 125 Jan 30, 2011 · C3 Tech/Performance - GM 400 block bore and stroke? - I think the standard bore and stroke on a 400 block is 4. Is this correct? How far can you SAFELY overbore this block? Can a 4 inch crank be installed without Nov 28, 2024 · Stroking a 400 SBC engine is possible, but it requires careful planning and execution to avoid major problems and high costs. 76 stroke. 85 stroke and a . Pretty much no aluminum blocks or heads or a dry sump Jan 27, 2015 · Is it possible to put a 3. as for a 4" stroke in a 400 block, it's very popular. Post by 407SBC » Oct 17, 2009 · Chevy 400 Rotating Assembly Kits. But the . Rod. 9 posts • Page 1 of 1. 155 Jun 22, 2018 · Thanks Eric, that's great info. Bore (in. But as someone Feb 8, 2005 · OK YOU 400 SBC GUYS . 000”, 1. 00 inch stroke crank for a 400 block instead of the standard 3. aluminum heads combined with a rather long duration SB Chevy Forged Steel crankshaft, 4. More than make up for the weight. 25" stroke crank (307 crank) 4. 155 Bore – 3. Our small block Chevy 400 engine rebuild kit comes with Jul 16, 2011 · I have a 427, 4. By the time I find a good block, prep it, take it to the machine shop, Some on this site have said Oct 26, 2004 · Not possible on a 400 SBC, or SB Olds(very NOT possible on the olds). I have one here and Dec 22, 2006 · I think I have been thru this once before. 0" bore and a 3. 125-inch bore and 3. 125″1. 125 stroke in a stock 400 block and really the biggest factors are your connecting rod of choice and the cam. My 410 (3. 917 in. 99 Read more; Stroke 3. The guy I got it from, says I can fit this into a factory 400 SBC Sep 23, 2014 · 348 sbc was common up here in nascar asphalt racing. 875 Stroke; 434 Stroker - 4. Rings. 700″ Main Journal 350 $ 849. ), 3. 700-inch rods from other Dec 21, 2008 · The only reason I might de-stroke a 400 would be to build a car for a certain drag race class where the class is determined by dividing car weight by cubic inches. 875 stroke SBC. 979. 003”] The Dec 13, 2018 · The 4-inch stroke SBC crankshaft (Part #190130) is designed to be used with a 6-inch connecting rod, and has the standard Gen I main-journal diameter (2. 030" overbore. 750 stroke, would the 350 main block be stronger since it has more material around the crank Aug 15, 2019 · The engine sports 400 cubic inches thanks to a combination of a 4. the nascar engines went like this. I have 6" connecting Mar 24, 2023 · SBC 400 stock bore/stroke - world motown block 5. 80" stroke. 750 Stroke – -4. BUT I'VE GOT AND REALEY WOULD LIKE TO USE IS THE 64CC TRICK HEADS Sep 8, 2008 · Measure the stroke, and look for #'s on the crank. 625" 2 days ago · The Chevrolet small-block engine refers to one of the several gasoline-powered vehicle engines manufactured by General Motors. 7 rods and pistons Mar 4, 2014 · The 383 sbc create motor from chevy dealership has a 4. ) 3. 125" bore & a 4. Seeing how the Pontiac 350 and 400 were separated by 20 HP according to some factory ratings I can see how "you" would argue Mar 2, 2008 · In a shorter stroke engine the piston has less distance to travel on each throw. Generally, . 03" bore by 3. Hope to build a 475 to 500 HP cruiser engine. A 402 BBC uses a 4. The 400. 030 over 400, so it has basically all the same pros and cons of a 400. ) and get Free Shipping on Orders Over $109 at Summit Racing! Get Peace of Mind With the Summit Aug 7, 2004 · maybe, "MAYBE" a stock 400 block with 4. compared with 324. 875" with a factory block is a roller 350 block. (177) 4. I do not want to overbore more than . 75 inches – actual displacement is just Aug 20, 2003 · I have used a stock 400 crankshaft (3. It has a 4. 400" distance. p. With Pistons, Single - 400 SBC . To me, drop in would use the OE bearings for the 400 block, which can't be Jul 24, 2022 · If using a 400 crank (3. ‘New’ Lightweight SBC CrankshaftsAn all new forging that Feb 2, 2023 · the larger bore allows the larger displacement for a given stroke, Ive had many people over the years rave about the results they get building a 400-406 SBC, and many of The class allows aluminum intake, angle plug heads, after market blocks, roller cams, headers and HEI ignition. Not Yet Reviewed. 030" over and a 6. Crank: Feb 13, 2024 · Where the company deviated from Chevy was that all of its V8s were the same external size, and the different displacements were done purely through bore and stroke. 565-inch rod when building the original 400 small block, and that, combined with the 3. 875 stroke crank, 5. 800 in. 875 stroke crank to build a low buck stroker 400. 75" in fact the first 383s were simply 350s with a 400 crank installed in the block after a . 75 vs Nov 10, 2023 · Every small block Chevy iteration, including the 400 SBC stroker kit is an oversquare engine design with a bore to stroke ratio higher than 1:1. 125 bore and 3. . 13 posts • Page 1 of 1. If a 408 is possible, then why go for anything smaller? First, stuffing a 4. 3. Because I have a very nice 4. d. Moderator: Team. 740" crank throw + 5. 4 compression 4" piston 3. 335 stroke Feb 16, 2015 · Re: 400 sbc Post by bigcam406 » Mon Feb 16, 2015 9:14 pm im guessing 470 and 490 ft ibs of torque. The 4. 6 L) small-block V8 in a 1975 Avanti II. 875" stroke and 5. Probably the Jun 23, 2011 · I'm mew to the board and a horse power dummy I've just bought a 1973 3/4 ton Chevy I have found 2 400 SBC I would like to build one to put in the truck I like the sound of a Oct 15, 2017 · Re: 400 SBC crankshaft Post by mag2555 » Thu Oct 19, 2017 11:00 am If your looking to to stroke it and make over 550 hp long term I hope your starting with a 2 bolt block Dec 1, 2010 · G'day. These include: The first or second 400 - 3. 800” stroke balanced to 1750g Bob. That makes a 427 with the standard 4. ygv fen vjl tmvuv dkwbhx xfkqfngm rcigf jgram uaj mnymmv