Chevy flywheel interchange. Big block and small block starters are interchangeable.

Chevy flywheel interchange. Big block and small block starters are interchangeable. The guy I bought it from has a 4speed off of a 305 from a car, with the complete bellhousing-clutch-flywheel assembly that he'd give me, but I'm not sure if it will interchange. from 2001 to 2005. The 427 and 454 share the common bore of 4. 2l s10 4l60e transmission has finally gone out. The Gen 5/6 crank and flexplate/flywheel is not compatable with Mark IV blocks. I also have a parts manual so we could run the numbers down if you have a starting point with the current flywheel Part Number C3 General - Engine swap- flex plate/flywheel differences? - In the process of swapping engines. I finally found a 4speed for my Chevy 350, except it didn't have a bellhousing and clutch. com. BUT, MOST of them only had a bolt pattern for a 10in clutch (replacement clutches are now 10 1/2in). Some info sites say the 10. Distributor? 2. Forget all about other bolt-ons to assist the transition. These bolt patterns became Over the years, I have picked up several flywheels (about 50) at swap meets, and used about 20, especially 454 flywheels on SB400s. Almost all crankshaft mounting flanges share the same six-bolt pattern, but supercharged LS versions have eight- or For example, 307s USUALLY got the 13in flywheel, but if a 307 were delivered with a HD clutch, or some other application, it would be delivered with the big flywheel. 25" The passenger car blocks have the same deck height 9. looking at it, it really fills up the bellhousing. 5" diameter) will work on a 396 / 427 if the proper starter is used. Gen II (one-piece rear main seal), and Gen III, IV, V (LS style) are all different and will not permit any interchange between them. 6 ( I forget the vin code, Ford being Ford, they used W for the Romeo). The 168 tooth small block flexplate (14" diameter) will interchange with 396 / 427 big block (internally balanced) flexplates. Click to expand As best I can tell from reseach the 10. What flywheel can I use? Will an old intake fit? with minor mods? can one of you chevy guys hep a brudda owt? Flywheels interchange on Chevy 6 cyl and V8 (prior to 1986 engines) for the 194,230,250,283,305,307,327,350,396,427 and probably some I missed. Will a 12" flywheel, pressure plate and clutch disc interchange? I currently have the bellhousing that 4L60E Transmission Interchange Chart: Conclusion There is a reason why the 4L60E transmission is referred to as the hallmark of GM’s transmissions. 75". 87+ 305/350 were neutral balance on the balancer for standard production engines (LT and LS series engines are a whole nother deamon), but the flywheel/flexplate has a counter weight on it for all of the 87+ small blocks. is a 305 and 350 Flywheel interchangeable 305 and 350 Flywheel interchangeability Matt I have an interchange manual for Chevy BBC parts. "bolt hole" wise, all chevy starter follow the same pattern. Found a good thread Terry, The 454 requires an externally balanced flywheel and harmonic balancer. In each case, there is just one key difference: starter and ignition. The exceptions to this are the 400 CID Small Block and 454 CID Big Block V8's. I thought it would be a fluke if it would work but the weights are indexed the same. So if you got a bellhousing for a 10-1/2 in clutch, BUT, Nothing interchanges between the 194/230/250/292 Chevy and the 216/235/261 Chevy or 228/256/248/270/302 GMC. It fits for Chevrolet Corvette, Camaro, and Berlinetta, Pontiac Firebird Trans Am, and Firebird for the U. Some of you engine builders would know for sure. Any other hidden problems lurking that I should know about. 1956 Chevy motor in my 50 Chevy Wagon which had a 216 C. Just match the clutch-assembly to flywheel (I do not know if the diameters of the clutch-assemblies were the same on 53 216 and 54 235). Searching for interchangeable parts? Use our free auto parts database to match parts between vehicles. 350/th400, new engine is a 350CT block with vortec heads. What is the difference A manual transmission with a Chevy engine must be matched with the appropriate 153- or 168-tooth flywheel. A manual transmission with a Chevy engine must be matched with the appropriate 153- or 168-tooth flywheel. Tom Parsons (DZAUTO) The size of the bellhousing ACTUALLY depends on the size of the FLYWHEEL rather than the size of the clutch. Chevy Forums FREE technical assistance for your restoration and repair. The flywheel will not fit the Gen III/IV SBC's (LSx based engines), because GM engines are used in a wide variety of builds not just Chevys. Mark IV heads often leak coolant when used on Gen 5 blocks--but should be OK on Gen 6 blocks. "The rear of every Chevy '6' block ('216, '235, or '261) is the same from 1937 through 1962! And, the flywheel/crank-flange pattern is the same from '40-'62! We obviously have wonderful interchangeability. 4 was based on the Windsor 4. " Mark IV flywheels and flexplates are not interchangeable with Gen V and VI units because Gen V and VI units have a smaller center register hole to accommodate the register on late-model cranks with one-piece rear seals. The 4L60E did not just change the transmission game, it came with reinforced Identify vehicles that have the donor parts you need. The original flywheel was as I understand it GM # 3971021. While they are both externally balanced the weight on the flywheel or flex plate for that matter are different between the two. The 5. Compatible Transmissions for Chevy Engines When it comes to the infamous small block Chevy or even the modern day LS V8 from GM, bolting up a GM-based transmission often requires nothing more than the correct 1971LemansWisc said: Still interested if someone has a GM Part Number for this Flywheel. Manufactured From Nodular Iron. Does anyone know if it About this 14085720 Flywheel This part is a flywheel, (manual transmission), for Chevrolet, and Pontiac cars. GM power enthusiasts like us were relieved to find that the GM Gen III engine 1965-1974 Camaro 11" Flywheel Original GM Used Resurfaced GM# 3789733: Camaro original flywheel, for 11 inch clutch. Went to install the old flexplate to the new engine and it wont fit, Thus, starting with 1963 6cyl engines, the flywheel, starter and bell housing are totally interchangeable with V8s. They can't be used on externally balanced engines such as 292, 400 small block and 454. Small-diameter flywheels are 12. The valve body from your 94 will not interchange with the case of the 2000 because on 96-up transmissions, the TCC apply valve is in the valve body, and in 1993-1995 transmissions it's in the pump housing itself. The Chevy V6 most commonly used a 168 tooth flywheel or flexplate. The time now is 06:28 AM. Using washers or anything to space the wrong bolts will lead to disaster - busted starter, flywheel, bolts, or even broken starter pad on the block - or all of these things. He is installing a 350 sbc. Up through 62, the starters bolted to the bell housing (63 on 409s). Correct for 350, 396, 427 Few engines through automotive history have the same consistency and interchangeability that the Chevrolet Small Block & GM Gen III+ engines have. Harmonic balancer? 4. There is the alum nose with a straight across bolt pattern (where it bolts to the bottom of the block). e. It's a In other words, Chevrolet couldn't find space inside the crankcase for large enough balance weights on the crank so they put some of the balance weight externally on the flywheel and harmonic balancer. For a 153 tooth flywheel, get one for a 95 Camaro with a 5. The NEUTRAL balance 168 teeth and the EXternal balance 168 teeth flywheels are 100% the same and are TOTALLY interchangeable with each other and will bolt onto the back of ANY 55-85 V8 engine and ANY 63-later I just got done taking my old broken flywheel out and put in my new one,here is my question,my truck is an 01 lb7, the flywheel I put in is out of an lmm,they are the same diameter and same tooth count,it just looks like the weights are in a different spot,will this hurt anything? I My guess is that you could use either clutch-assembly/flywheel set inside the 53 clutch-housing. 1937 starter is too long and interfers with the dipstick. Transmission? 3. 76: stroke, With Weight Chevrolet, GMC 1970-80 V8 6. BB I know the reluctor wheels are different but are there any other differences between '01 and '10 that won't let you put an LB7 or LLY crank in an LBZ block without causing issues? 87+ small block chevy's are internally/externally balanced. For a 168 tooth flywheel, get one for a 95 Chevy pickup with a 5. For starters, is the water pump pulley interchangeable? About this 97378429 Flywheel This part is a flywheel, engine (includes ring gear), for Chevrolet Trucks, Cadillac Trucks, and GMC Trucks cars. Note that Gen V Hi. Model specific subject matter experts, classified ads and more. A friend told me that big block Hey all, my inline 250 is going to Alaska to go in a boat, som my project truck will be getting a 350, as that is what came in a donor truck. You can put 12 volts through a 6 volt starter if you need to go that way. 4 flywheel measures 12. Large flywheels are 14″ in diameter and have 168 teeth on the starter ring gear. A friend was told that he could use a 454 flywheel on his 400. The Chevy SB400 and 454 flywheel will not interchange. When the 6cyl engines stopped using the "early" style cast iron housings (about 70-71) and switched over to My Grandson is swapping out a 305 sbc in his 86 pickup-C10. It fits for 105 General Motors vehicles which were sold in the U. Search for potential donor cars and trucks by engine, transmission or wheelbase SBC and 396/427 can use the same flywheel. Almost all crankshaft mounting flanges share the same six-bolt pattern, but supercharged LS versions have eight- or The bolt holes will be parallel to the crankshaft if your car uses a 153 -tooth flywheel/flexplate, and the bolt holes will be offset for 168-tooth flywheel/flexplate. Try and get flywheel and starter that are supposed to go together as different size flywheels will have different tooth counts and required different offset starters. The 454 uses a special externally balanced flywheel ( has a weight built into manual wheels and a welded one on auto wheels ). The 153 tooth sbc flexplate ( 12. All fit 1999-2024 Chevrolet Silverado and more. 305/350 Chevy 1986 & Up 153 Tooth 12. 135" 454 crank you need 454 pistons, 427 crank you need 427 pistons 427 crank is 3. In other words, if you have a Chevy pattern engine with one of those transmissions bolted to it, you could bolt an Allison in place of it and the torque converter will bolt right up to your flexplate and be piloted properly. For the SB389 in the 51 Chevy, I used a 153 teeth flywheel and the machinist drilled Mark IV big-block flywheels and flexplates are pretty easy to recognize. Some blocks come with both patterns, or you can drill and tap the block to change starter bolt pattern to match your flywheel of choice. Flywheel Diameter (12. As mentioned, all these parts interchange between small blocks, and, from the flywheel back, BOTH SB and BB components interchange. 5 clutch and the 10. It is for a small flywheel/bellhousing (auto or manual From what you are saying about the counterweight it sounds like you may have a 400 Small block flywheel. Technical 250 and 235 interchange questions Discussion in ' The Hokey Ass Message Board ' started by gribbs, May 20, 2015. . We’ll help you determine the correct flexplate for your Chevy Chevy Forums FREE technical assistance for your restoration and repair. Therefore, using pure Like the fellow above said, your block will have all three holes for either starter fitment. When it comes to the starters in classic ‘60s and ‘70s C3 General - Help me identify this flywheel and bellhousing - I bought a package from a Corvette salvage yard that included a transmission, flywheel, pedal assembly, and bellhousing. Heavier Both the 400 small block and the 454 are externally balanced. GM power enthusiasts like us were relieved to find that the GM Gen III engine Are Chevy small block and big block starters the same? Flywheels with two different diameters are used on Chevrolet Small-Block, Big-Block, and 90° V-6 engines. It's a genuine General Chevrolet only had 2 sizes of flywheels for V8 engines, beginning with the very first Chevy V8 in 1955. These external balanced flywheels or flexplates can be identified by the obvious addition of weight to the side of the flywheel facing the engine. There are 4L60E Transmission Specifications and Cross Reference This site contains affiliate links for which we may be compensated. Can you post some pictures? All early style SBC flywheels will interchange. These do not generally interchange with Chevy V8 flywheels and flexplates due to the unique balance of the V6. You need a flywheel for a one piece rear main seal 350, which started in 86. I'm sure there are other applications that work, but I have verified these two. Straight across boltholes (1 long 1 short) = 153 tooth flywheel (10. The flywheel has casting number 3729004 on it, from what I see, that's a 14" 168tooth flywheel. I have read and been told this will be a direct swap and to use all the parts from the flywh First of all, is there such a thing? I was under the impression all flywheels off chevy v8 engines were basically the same. Vehicle Manufacturer: Chevrolet Years: 1968-1985 Engine: V8 Liters: 5. Shop wholesale-priced OEM Chevrolet Trailblazer Flywheels at GMPartsGiant. These are referee to as one piece main I just picked up a newer TBI sbc. Problem Find many great new & used options and get the best deals for 1941-1954 Chevrolet 216 235 Flywheel 139 Tooth 10 3/4”Clutch 1947 1948 1949 1952 at the best online prices at eBay! Free shipping for many products! ALL 55-62 Chevy V8 flywheels were the larger, 168 teeth version. Staggered bolt holes =168 tooth flywheel, straight across bolt holes= 153 tooth flywheel. 7 Casting / OEM: OE # 14085720 Cross Reference: FW147, 3991406 OEM Interchange: 14085720 Few engines through automotive history have the same consistency and interchangeability that the Chevrolet Small Block & GM Gen III+ engines have. Doing a small to big block conversion. Chevy V8 flywheels come in two sizes: Big, 14 in dia, 168 tooth and Small, 13 in dia, 153 tooth. Either way you go, be sure without fail to use the correct bolts as the two starters use different length bolts. Some Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Check to see if you have a P/N on the flywheel. 4l60e Transmission Interchange Chart Recently my 2000 2. I am putting a 235 C. , until the LS1 based engines, all use the same bellhousing. So, I will need to buy a starter, I assume i should buy one from a 57 chevy? My 1965 C10 with a 327 and SM420 (Granny 4 speed) trans currently has an 11" clutch setup (flywheel, pressure plate and clutch disc). Perhaps some LS starters would even work, they are the same style, but I've never verified. I recently obtained a big block and was planning on using a flywheel i have off a 350. Here's a dumb question, but do the Big Blocks, and Small Blocks have the same bolt pattern for the bell housing? Would you change bell housings, flywheel, clutch, etc if you were moving from a small block to a big block? I remember them being the same, but want to check my facts. I. 0, 5. Do they interchange? I'm assuming that if they interchange, the tooth count must not refer to the pinion that engages the flywheel because how would that work? 2004 Safari, 4 inch lift, NP-231 t-case, 255/70/16 BFGs, Pontiac/Chevy clutch Interchangability? Pontiac - StreetAll times are GMT -4. Therefore, using pure Chevy parts, any engine from '37-'62 can be installed into any chassis (car, truck, etc. 75" or 14") or number of teeth is more accurate because some 168 tooth flywheels are drilled with multiple bolt patterns, and the aftermarket makes a 153 tooth flywheel that a 11" clutch and pressure plate will fit. I think it's about a '94 or so out of a 4x4. BTW, the nosecone will interchange freely between them, Finding a flywheel to fit your Chevrolet in the mid-Fifties used to be simple: There were only two possible units from 1942-’53. Gen V and VI engines are also externally balanced. Wallace Racing Website says 1964-1979 Pontiac Flywheels are interchangeable so I should be good here. 6, which I considered to be the heavier duty of the 2. Chevrolet has always had just two Flywheel interchange The 1960 - 1966 Chevrolet & GMC Pickups Message Board Flywheel interchange The 1960 - 1966 Chevrolet & GMC Pickups Message Board 4l60e Transmission Interchange Chart GuideMechanic. The balancer should interchange, but the flywheel may not. clutch and starter motor. I am sure this problem I am having isn't as bad as I am making of it and hope someone can give me some guidence. These would be considered two piece main style blocks 400 SBC has a counter weight welded to the flywheel,it will bolt up to the above mentioned SBC but will be waaaaay out of balance Later SBC 85??up uses a different bolt layout than the eary stuff. Do late 60's- early 70's Buick-Olds-Pontiac manual transmission flywheels interchange or did each make have their own bolt pattern and quirks? Basically interested in the "big blocks", like will a flywheel from a 400 Pontiac fit a 430 Buick? Thanks! My notes from the research I did back then, are as follows: "If the flywheel & starter ring gear from 1941-1954 Chevy (216", 235", 261"- group #0. Quick, easy, and 100% online. Some trucks also had bell housing mounted starters up to about 70. Thanks Chevy Clutch Housings Most people define Chevrolet Bellhousings by the Clutch size (i. S. Aftermarket starters (Such as This flywheel will also not work with the two piece oil seal crank, so leaves out the older Gen 1 SBC's. Can any of you Chevy boffins explain why it is recommended that when swopping a 216 for a 235 that i re-use the 216 flywheel. 6l 400 flywheel from summit racing Pioneer Flywheels Summit Racing Part Number: PIO-FW102 UPC: 727993157527 Ring Gear Tooth Quantity: 168-tooth Rear Main Seal Style: 2 This is for Your Choice of One, Chevrolet Flywheel GM# 3789733,  11" 168 Tooth 14 1/8" Outside Diameter, fits Chevrolet model years  1963 1964 Are flywheels interchangeable? Are Small Engine Flywheels Interchangeable? You can interchange flywheel blades for Kohler K-series, Magnum engine models, like K341/M16, K303/M12, K321/M14, and K361 because tapers and keyway widths cross. Starters and noses are interchangeable. Can the larger flywheel and clutch etc. And has anyone tried the common aftermarket 2pc 153 tooth flywheels in an original chevy 2 bellhousing. 6 (vin code W) had 6 flywheel bolts and used different heads and valve covers than the Windsor 4. 87-99 one piece rear seal small block flywheels are externally balanced. Com – Importance Of A Transmission Interchange Chart For Automotive Enthusiasts – For automotive enthusiasts, an important tool to have is a transmission The "interchangeable" modular engines weren't interchangeable: the Romeo 4. Carburetor (quadrajet 4bbl)? 5. ALLLLLLLLLLLLLLLLLLLLLLLL 55-62 Chevy V8 engines were the 14in-168 teeth version. not be used. 5",11", or 12"). 750″ in diameter, with 153 teeth on the ring gear. 7 (350) engine. No need to fess up the big bucks for an aftermarket mini starter unless you just want to, just buy the right starter at the parts store. 75″ Flywheel, 2-Pc RMS. But the center hole should be the same. previous to 1987, two piece seal rear main flywheels differ between 400 sb and 350 and all other small blocks in that the 400 is the only one with an external balance. ) from '37262! The EARLY flywheels, even though they were the big flywheel, only had a bolt pattern for a 10in clutch (except truck flywheels). One flywheel (#3705385) covered all 1937-’53 cars and trucks with a 9 1/8-inch clutch disc flywheel interchange The 1967 - 1972 Chevrolet & GMC Pickups Message Board All Chevy V8 (1962-1985) engines are internally (or neutrally) balanced and flywheels/flexplates interchange between them. That's what makes me think There's a difference in the starters/flywheels-flexplate between the 6 volt and 12 volt applications; they can be swapped as needed, but they have to match. Consequently, I decided to have a used trans to swap from the salvage yard rather than pay thousands for a rebuilt Pontiac Engine Parts InterchangeabilityAs You Go Thru Life DO A WHEELIE !!! Home Flywheel question. All fit 2002-2025 Chevrolet Trailblazer and more. Thks for your patience Dave. Some of the earlier 168 tooth flywheels had a bolt pattern for the smaller 10-1/2 in clutch. All 396-, 402-, and 427-ci engines are internally balanced and all 454-ci and larger engines are externally balanced. 4 will interchange. 666; p/n 839776; cast #839754; 139T) is used, it will bolt right on the 235" crank and a 1938-1954 stock starter will bolt right up to it. There were no 10 1/2in clutches then (11in for big trucks). 10. Would like to know what parts are interchangeable. The rear of every Chevy '6' block ('216, '235, or '261) is the same from 1937 through 1962! And, the flywheel/crank-flange pattern is the same from '40-'62! We obviously have wonderful interchangeability. 8" The rods are the same 6. 5") Staggered boltholes (both long) = 168 tooth flywheel (11") Shop wholesale-priced OEM Chevrolet Silverado Flywheels at GMPartsGiant. You can modify a 250/292 HEI dizzy to work in the GMC or the 216/235/261 Chevy, but that's about it. Just what 305 parts are interchangeable on the 350? 1. Bolt any bowtie automatic to any Chevy engine – if you know the tricksBolt any bowtie automatic to any Chevy engine – if you know the tricks!. 4L60E Transmission Cross Reference and Interchange Chart In fact, all 90* Chevy engines, to include V6s, Diesels, etc. I want to put a 4 speed behind it, and a 6x2 intake. zuzkjd wwjfagoo snjpvh pkgj qoyaqof brxv ktqlg sizu tzba qxzihw