454 Externally Balanced Flywheel

The type of transmission shouldn't change the flywheel used as only the "engine" used determines which "flywheel" as well as which "harmonic balancer" you need. 168 tooth ring gear. Performance 454 168 Tooth Flywheel 93004. Southwind with Chevy 454 I have heard many stories about these 454 Chevy motor homes struggling up. Unlike the 396/402/427 crankshaft, the 454 crankshaft is externally balanced at the front damper and flywheel flange. Hy Ray, yes an externally balanced Chevy uses the balancer and the flywheel to accomplish the balance, the 400 small block and 454 big block are both externally balanced, I'm not positive but I think the flywheels and balancers are interchangable between these two engines, hope that helps. 6 PIONEER Auto Trans 168 tooth Flexplate/Flywheel & New BOLTS for Chevy BB 454 70-76 EXT. The flywheel is drilled for 10. 454 Partial Engine. • Use with T56 Super Magnum transmission P/N 19329795 and 454/502 crate engines (externally balanced) • Not for use with 427/572 engines that are internally balanced • Super Magnum bell housing • Externally balanced flywheel • High-strength clutch and pressure plate • Kit includes dust covers, pilot bearing, hardware and instructions. Smallblock Fords, by comparison, are externally balanced, as are some big block Chevys (454s). SAVE 18% (Reg. GM power enthusiasts like us were relieved to find that the GM Gen III engine released in 1997 had essentially the same block bolt pattern at the rear. PRW 1645472 SFI Rated Billet Steel Flywheel, 153 Teeth, BB Chevy $270. Manufactured for high RPM applications from certified billet material. I understand that the 427 engines are internally balanced and that the 454 engines are externally balanced. Southwind with Chevy 454 I have heard many stories about these 454 Chevy motor homes struggling up. The third picture is a 454 balancer. You need the externally balanced flywheel for the SBC 400. Performance Transmissions Chevrolet Flexplates. We are now offering NEW Flywheels for your Manual Transmission. Gen V & VI 1991-97 Externally Balanced 1 pc Rear Main Seal HP4002X 168 tooth Chevrolet SFI, Extreme Series (4mm thick) LS Series "Dished" Flexplate, Will NOT replace "Flat" Flexplate on 6. 168-Tooth Flexplate; Steel; External Balance; Chevrolet 454. 1 - steel - external balance - 2 piece seal - 454 - big block c ram clutch | part# ram-1521 more details. a 396/402 bbc fly in not externaly balanced but it uses bigger bolts to teh crank. Fast shipping throughout North America. Switch out either one for a 427 version, and you have a milkshake machine. This is brand spanking new, even have the original box and all for it, the box has been opened but thats it. 3993827 299. with my setup and if it is an external balance how do i go about balancing the engine for the flexplate?. We balance ALL engines we rebuild. The theme here is big displacement in a small-block made of aluminum, re-engineered with modern technology and race driven design. It does not come from GM. Balanced is good as well. No Core Return Required. If it's a regular factory 454 it will be externally balanced so no internally balanced flywheel is going to provide the correct balance for your application. 454 Flywheel If it has actually been some time given that you have actually considered any new autos, then you could be in for a pleasurable surprise when you see the newest innovation. And yes, 6" rods make for a heavier balance assembly! I had to have 3 slugs put in my Scat crank to true it up!. The 250 is externally balanced like a 400 small block or a 454 big block. Comes with an externally balanced 14" automatic transmission flexplate; use flywheel P/N 14096987 and 11" clutch assembly for manual transmission applications. 65-69 Mark IV, Two-piece seal, internal balance : 14001992: 14" 168: 70-90 Mark IV external balance 454: 10185034: 14" 168: 91-up Gen. 1970-74 Corvette Used Rare Orig Dual Disc 454 Flywheel 71 72 73 External Balance. I need a flywheel for a 1979 Ford f350, 400 cubic inch with a manual tranny. Chevelle & El Camino - Flywheel for big block 402 - My son and I have a 1972 El Camino with a bbc 402. A 390 is zero balanced, so your wheel should be close to zero anyway off the 360, and if it isnt now, its easily done and you dont need to know anything about the balance of the motor. These are identified by the additional weights added to the harmonic balancer and flywheel/flexplate. A balanced engine will generally be more efficient and reliable and will certainly tolerate much higher engine speeds. See Chevy 454 Sfi Flywheel description for details from Ebay. Depending on what you are building, most aftermarket cranks will be internal balance, but you do need to know before you buy a flywheel. External engine balance. 8's have the same imbalance as the externally balanced 96 to mid 2000 3. Availability: In stock. you may need to replace the flywheel though as 454 were usually externally balanced where 350 was internally balanced. V/IV external balance with 4" stroke forged steel crank, 454, 502: 10185035: 14" 168: 91-up Gen. You'll need to make sure it's internally balanced or externally balanced to determine which flywheel. Hy Ray, yes an externally balanced Chevy uses the balancer and the flywheel to accomplish the balance, the 400 small block and 454 big block are both externally balanced, I'm not positive but I think the flywheels and balancers are interchangable between these two engines, hope that helps. colebalster wrote:Like the title says, I am looking for a 153 tooth EXTERNAL balance flexplate for a Mark IV 454. The second picture is a 427. • Fits all externally balanced Chevy 400 V8 engines •. Will not fit late model LS based engines. #624001 - Allows the use of internally balanced 350 flywheels on an externally balanced 383 or 400 crank. If the crank's counterweights are too light, the engine must be externally balanced. 1999-early 2000 3. Unlike the 396/402/427 crankshaft, the 454 crankshaft is externally balanced at the front damper and flywheel flange. The flywheel mates to the clutch pressure plate and crankshaft, and the pressure plate can decouple from the flywheel when the clutch is disengaged. As far as trying to change from one to another, I would just go with the external balanced parts. 75 New OEM 1969-1996 Ford Flywheel Flexplate Flex Plate 164 Tooth 5. Sfi Big Block Chevy 454 Flexplate Bbc External Balance Heavy Duty Arp Bolts. If your motor is a two-piece RMS 350 the flywheel I described above will work. Performance 454 168 Tooth Flywheel 93004. Flexplate EXTERNAL 168-tooth SFI 2pc rear Balance 454 Chevy 1970-90 for BB BB for 1970-90 Flexplate Balance 454 rear EXTERNAL Chevy SFI 168-tooth 2pc Super Mini Starter For SBC BBC GM Chevy High Torque 153/168 Tooth Flywheel 19695 Super Mini Starter - $58. Neutral bal-anced. The machanic that was doing my 4" stroked 348 (using the 454 crank) was just going to graft the two together (the timing cover for the 348 and a BBC cover). 1 race racing(US $169. 1 is external balance, needing the 400 small block damper and flywheel/flexplate Other is the internal balanced 383 stroker crank. Find 454 Flexplate and other automotive parts and accessories for sale on Ebay. Yes they are both be external balance. PRW 1645472 SFI Rated Billet Steel Flywheel, 153 Teeth, BB Chevy $270. For those who want the sturdy foundation of the 454 HO as the starting point of a custom Chevy crate engine, this brand-new 454 partial engine from GM Performance Parts includes the forged crank, rods and pistons, as well as the balancer, oil pan and front cover. So they hang some weight on the flywheel and the harmonic balancer. 1 - steel - external balance - 2 piece seal - 454 - big block c ram clutch | part# ram-1521 more details. There was not enough room in the crankcase for the huge crank counterweights the factory would have to use. Introducing our newest heavy duty flywheel rotor for Kawasaki 400 & 500 cc Motorcycles. PRW 1645472 SFI Rated Billet Steel Flywheel, 153 Teeth, BB Chevy $270. It needs the std sbc damper and flexplate like used on the 350. SFI Block Small Scat Tooth SBC Chevy 168 Balance External 383/400 Flexplate Flexplate 383/400 External SFI Chevy 168 SBC Block Balance Scat Small Tooth $67. Luk Mini Cooper S R52 R53 6 Speed Manual Trans Clutch Flywheel Dual Mass Dmf $759. be sure to use a 454 flywheel which were externally balanced, unlike the 350 flywheel. The 454 BBC engine is externally balanced. The GM 454's and 502's are externally balanced. Most 350 cubic inch engines are internally balanced whereas the 400 engines are not. sterndrive flywheel is just a GM truck flywheel Inboard flywheel is a Mercruiser (or other marine engine supplier) special. flywheel diameter: 358mm. Find great deals on eBay for chevy vortec 454 flywheel. You can tell the correct counterweighted 454 balancer by looking at the backside. 454 Chevy Engine Balance Question - ChevyTalk Chevytalk. Southwind with Chevy 454 I have heard many stories about these 454 Chevy motor homes struggling up. Chevrolet Performance offers both internally and externally balanced flywheels and flexplates. Flywheel for your Camaro. If this is done the dampener and flexplate/flywheel then used are the more common nuetral balanced parts. If they do this, you cannot replace any one of these components without doing a rebalance of all three. Thanks a lot for the correct information. Balanced is good as well. other bb do not have this. 400 sbc factory crank uses it's own specific external weighted flexplate which is a different weight and amount of weight from the 454 external balance flexplate. Products sold by Engine Parts Australia are not intended for use where fail-safe operation is required. Externally balanced engines have a noticeable weight on both the damper (also called a harmonic balancer) and the flywheel/flexplate. Find our best fitting harmonic balancers for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. Performance Transmissions including J. Unlike the 396/402/427 crankshaft, the 454 crankshaft is externally balanced at the front damper and flywheel flange. 1 race racing(US $169. Some examples of factory externally balanced engines are Chevy 400 and 454, Ford 302 and 351W. Find 454 Flywheel and other automotive parts and accessories for sale on Ebay. you may need to replace the flywheel though as 454 were usually externally balanced where 350 was internally balanced. Car and Truck Repair Parts 1970-1974 Corvette Nos 454 Externally Balanced Flywheel G. you can use the same flywheel from a 283,302,305,307,327,350. chevy V8 engines all shared the same bell housing bolt pattern. This photo illustrates the offset weight found on a flexplate and the harmonic balancer for an externally balanced big-block Chevy 454 as indicated by the arrows. WELCOME TO WSP Wedan Performance was opened in JAN. If this is done the dampener and flexplate/flywheel then used are the more common nuetral balanced parts. Sometimes flywheels can be put on different engines, like a 1967 289 I had, with a 11" 351 flywheel. 1 is external balance, needing the 400 small block damper and flywheel/flexplate Other is the internal balanced 383 stroker crank. I would make sure you know your engine size and then get the flywheel. Other applications available. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The RAM Force 9. We specialize in High Performance Race Car, Classic Cars, and 4x4 Parts. Browse in real time our list of Chevy 454 Sfi Flywheel sales, some restrictions may apply. 454 Chevy Engine Balance Question - ChevyTalk Chevytalk. Find CHEVROLET 7. Small Block Chevy Flexplate 1 Pc Rear Main Seal 168 Tooth External Balance Sfi Flywheel 168t Chevy Bb 396 427 454 W Turbo 350 HQ Automotive Service & Parts. We are now offering NEW Flywheels for your Manual Transmission. How complete is your 454? The alternator, and PS pump use different brackets/braces. The reason I mention 96 is because the crank, pistons, and rods were all changed that year. Your engine may not necessarily come with all components listed, but th. DMR-FL-8005 Same as DMR-FL-8021 except 30# steel flywheel. 76-inch stroke crank, be it 366, 396, 402 or 427 design. Tooth External Balance Flexplate available for purchase currently at Ebay!. Browse in real time our list of Chevy 454 Sfi Flywheel sales, some restrictions may apply. Multi-station machine for balancing of brake discs, with lift-and-turn transfer device. CSI Automotive Sales, Service & Parts. Bigblock flywheels and flexplates are either neutral balance for use with 396-, 402-, and 427-ci engines, or have external balance weights for use with 454- and 502-ci engines. The original 400 small-block and 454 big-block Chevys were both displacement escalations of earlier engines and their longer strokes required the expedient move to external offset balance weight. Semi-synthetic have minute polymers inside them that minimize engine deterioration and additionally help shield the engine from cold damage as well as cold-starts. Many of these torque converters have over size Red or High Carbon clutch lining and billet covers. Therefore, the Harmonic Balancer and the flywheel/flex plate have a counter weight on them. The 454 is external balanced and the 396/427 are internal. Fits Oldsmobile 350-455. Exceptions to the above listings are these few special flywheels that do not interchange with each other or any of the above: • 1970-'71 Impala and Monte Carlo with 400-cu. 396's are internal. Unfollow 454 flywheel to stop getting updates on your eBay Feed. Part # BPP454E Description Externally balanced harmonic balancer to fit most crate engines requiring a 454ci weighted balancer Engine Balance: Externally Balanced Safety Rating: Non-SFI Degree Markings: Degree Markings Included Size: 8" Diameter Mounting Hardware Included: Yes Qty: 1 Notes: Designed and recommended for. 1 race racing(US $169. Because of the false info given to me that the 366 was externally balanced with the same flywheel as the 454 I thought I couldn't use it with the flywheel that is in the truck. Gary S Administrator Lifetime Gold Member. In Short: Just Give Me The Goods: Crate Engine, GM 454 Big Block , Stage 3, Big Block, 2 Bolt Main, 2pc Seal Shop Today: Shop Today: Now Offering a full line up of Lead Foot engines that are built with proven, high-quality components. Unlike the 396/402/427 crankshaft, the 454 crankshaft is externally balanced at the front damper and flywheel flange. 5 in Borg & Beck or diaphragm and 11 in Borg & Beck, diaphragm or long style pressure plates. Review (mpn: 3973457n for sale) 3973457N Mercruiser Marine Big Block 454 502 7. Neutral balance is the same as "internal" balance. 96 results for chevy 454 flywheel Save chevy 454 flywheel to get e-mail alerts and updates on your eBay Feed. 454's and small block 400's are the only ones that take an externally balanced flywheel to my knowledge. so you cannot put a flywheel from a 454 to a 350 they are the same size, same bolt pattern, and take the same pilot bearing that i have seen anyways but. I assumed you where going to have the flywheel balanced with the rest of the engine components? Or do you plan to just replace the one you currently have? Is there any difference between the 454 mark IV flywheel and the 502 gen 6 flywheel?. $7,250 obo. External engine balance. Internal combustion engines come in all sorts of configurations. There were various changes that were made on the 7. The flywheel is drilled for 10. We offer crankshafts for all different vehicle makes, strokes and rod lengths. ALL Buick engines are counter balanced externally , that means one part of the flexplate/flywheel is heavier, the same goes for the Damper/Balancer. Some examples of factory externally balanced engines are Chevy 400 and 454, Ford 302 and 351W. Few engines through automotive history have the same consistency and interchangeability that the Chevrolet Small Block & GM Gen III+ engines have. The internally balanced ones were used on 396 and 427's. My question is about flywheel I have for the manual trans. 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 454 crankshaft has a 4. 454 Chevy Big Block V8 Clutch, Flywheels and Flexplates parts in-stock with same-day shipping. Or like was said you can have a 454 rebalanced. Other differences between the N/A and SC engines are the amount of counter-balance of the harmonic balancer, flexplate/flywheel, and balance shaft. Find 454 Flexplate and other automotive parts and accessories for sale on Ebay. 1 certified. 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. 99 fly wheel as it was listed as a big block external balanced flywheel but was actually for a 400. Mark IV 454 externally balanced engines use either a 168-tooth 14-inch flywheel (or flexplate) or a 153 tooth 123 ⁄4-inch flywheel. If your motor is a two-piece RMS 350 the flywheel I described above will work. 3993827 299. Some engines are a combination of both being internally balanced in the front and externally balanced in the rear. Quick Time Balance Plate - 454 Engines. GM/Chev (HD) 454 (Stock #21400643) Flywheel 168 teeth, 14 1/8" diam 6 3/8bore, 12. 168 tooth ring gear. Engines with one-piece crankshaft seals require externally balanced flywheels or flexplates (except for ZZ427, ZZ572/620, ZZ572/720R and the Anniversary Edition 427). But I think it would be about the same cost. Small Block Chevy 383 400 MANUAL FLYWHEEL #GS9202 168 tooth for EXTERNAL balance engine with 2 PIECE REAR MAIN SEAL We use these flywheels in our engines and rotating assemblies when customers order them setup for manual transmission: To keep. If they do this, you cannot replace any one of these components without doing a rebalance of all three. Find great deals on eBay for chevy vortec 454 flywheel. I need a flywheel for a 1979 Ford f350, 400 cubic inch with a manual tranny. Some examples of factory externally balanced engines are Chevy 400 and 454, Ford 302 and 351W. 8 as used in the Late GNs are INTERNALLY BALANCED. More info on JEGS Performance Products. SFI Block Small Scat Tooth SBC Chevy 168 Balance External 383/400 Flexplate Flexplate 383/400 External SFI Chevy 168 SBC Block Balance Scat Small Tooth $67. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Shop 454 Chevy Big Block V8 Clutch, Flywheels and Flexplates parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Available for many different types of transmission and engine combinations. Billet Aluminum Flywheel - Externally Balanced For Gen 4 Big Block Chevy. These are built to High standards of quality and workmanship. I had a clutch / flywheel installed yesterday and I am getting a vibration at 1800 rpm up. Other weights and applications available. use your old flywheel gen V and VI engines use the same flywheel balance (external) and are both 1-piece RMS cranks. New and Used Car and Truck Parts and Accessories On Sale Automotive Parts and Accessories. But I think it would be about the same cost. 396's are internal. 2L engine throughout the years. You'll need to make sure it's internally balanced or externally balanced to determine which flywheel. com View Cart | My Account. If it was an externally balanced 410 or 428, that'd be a different story. CHEVY BALANCING PLATE - INSTRUCTIONS NOTE: Fits GM gen I small blocks from 1955 to 1985 with 2 piece rear main seal. Call Us: (720) 427-5017 Contact Us. Mercruiser most likely just used what ever GM bolted to the engine for a balancer and flywheel when it was shipped from the GM engine plant to Merc. Find 70 flywheel for sale here!. 02bbg part no. 168 tooth Chevrolet SFI, Extreme Series (4mm thick) 454 cu in. 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. The sturdy foundation of the 454 HO as the starting point of a custom engine, this brand-new partial engine includes the forged crank, rods and pistons, as well as the balancer, oil pan and front cover. 350 SBC is internally balanced, a 400 SBC is externally balanced since to have to add the flywheel end counterweight to acheive balance. This balance plate is made from quality H60 steel and is designed for use on all 454 externally balanced engines. Available for many different types of transmission and engine combinations. Internally balanced engines do not rely on any counterweight on the damper (harmonic balancer) or flywheel/flexplate. sterndrive flywheel is just a GM truck flywheel Inboard flywheel is a Mercruiser (or other marine engine supplier) special. The top picture is a 454. Designed for pre-1976 street vehicles or any off-road vehicle. 454 engines are all external balance. Find 454 Flywheel and other automotive parts and accessories for sale on Ebay. Small Block Chevy Flexplate 1 Pc Rear Main Seal 168 Tooth External Balance Sfi Flywheel 168t Chevy Bb 396 427 454 W Turbo 350 HQ Automotive Service & Parts. Flywheel Dowel 10046031 + Add to Cart. PRW SFI-Rated flywheels raise the bar in the high performance industry. 4L/454 Chevy big block Mark IV Flywheels and get Free Shipping on Orders Over $99 at Summit Racing! Flywheel, Replacement, Iron, External Balance. Browse in real time our list of Chevy 454 Sfi Flywheel sales, some restrictions may apply. Flywheel ID #3856579. 1 certified. The initial unbalance is determined in the measuring station and then corrected in the correction station, following which the residual unbalance is checked. Technical Notes: This flywheel is neutral balanced; do not use with externally balanced 454 ci. They came on 70 to 72 six packs and 440 magnums with forged cranks. be sure to use a 454 flywheel which were externally balanced, unlike the 350 flywheel. speedmaster79. Hy Donsz, the flywheel must be for a 454, as far as I know there are only two Chevy V8 engines which are externally balanced, the 454, and the 400 small block [not to be confused with the 402 big block]. Car and Truck Repair Parts 1970-1974 Corvette Nos 454 Externally Balanced Flywheel G. These external balanced flywheels or flexplates can be identified by the obvious addition of weight to the side of the flywheel facing the engine. 95) New csr 200x chevy 454 flywheel big block external balance sfi29. Performance Transmissions Chevrolet Flexplates. New and Used Car and Truck Parts and Accessories On Sale Automotive Parts and Accessories. 396's are internal. Chevrolet Performance offers both internally and externally balanced flywheels for small block and big block applications. notes: suits sbc two-piece rear main seal crank which was fitted to factory engines from 1955-1985. 168 tooth ring gear. Sb chevy 383 400 sfi-rated flexplates 168 tooth ext-balance w/arp bolts(US $71. 3993827 Orig Dual Disc 454 Flywheel 71 72 73 External Balance. The RAM Force 9. 80 Ram Clutch Flywheel 1532 168 Tooth Ext Billet Steel For Chevy 454 502 Bbc. They have two drilled and countersunk holes and are supplied with Qty (2) 5/16-18 X 1/2″ (For steel flywheels) and (2) 5/16-18 X 3/4″ (For aluminum flywheels) tapered head socket screws to bolt right up to your McLeod […]. I am also pretty sure the flywheels are in fact different, someone can correct me if I'm wrong but I believe the 454 is an external balance engine and the 350's of this era are internal balance, so the 454 flywheel will have a weight on one side while the 350 flywheel will not. Flywheel for your Camaro. 454 - 1970-75 The 454 crankshaft has the same flange as other big block crankshafts but is totally different in design. 200 70 not balanced 4-454-4000-6135-l 445410l 454 1-piece rear seal 4. 350 SBC is internally balanced, a 400 SBC is externally balanced since to have to add the flywheel end counterweight to acheive balance. The Leader in Clutch and Driveline Technology. It is possible and common to change an externally balance engine to be an internally balanced engine. We are now offering NEW Flywheels for your Manual Transmission. crower flywheel chevy 454 10" alum/round external balance w/168 ring gear 02bbg sku. I need a flywheel for a 1979 Ford f350, 400 cubic inch with a manual tranny. 1999-early 2000 3. Chevy Big Block ATK 454 Complete Engine - 525HP-This is the new version of the Chevy Big Block ATK 454 Complete Engine with 525HP. PRW Chevy SFI Steel Flywheels. Engine Vibration Problems We get many calls on this subject. Part #: 700170 $390. Chevrolet Performance offers both internally and externally balanced flywheels for small block and big block applications. I have been looking to see if the LS6 is internally or externally balanced. I have noticed all 454 flywheel ( flexplates ) have the balance weight located at the same exact spot on the flywheel. Balanced is good as well. Find great deals on eBay for chevy vortec 454 flywheel. 2Pc Rms 168 Tooth 11" External Balance. 035" thicker than stock • Starter ring welded to both sides of flexplate for added strength • Constructed from high tensile strength material to resist elongation & cracking • 168 tooth has dual bolt pattern • Sized for stock 3/8" mounting bolts & easily drilled for 7/16" diameter. Shop 454 Chevy Big Block V8 Clutch, Flywheels and Flexplates parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. The flywheel is a component of a manual transmission that helps to transfer power from the engine to the transmission. The biggest things that they only require is a balanced harmonic balancer, and a balanced flywheel, or flexplate. You have more flywheel and balancer size options if you get it internally balanced. The picture below is a file photo. The other had to have been off one of the SB400's, and the other must be a 454 one for sure. notes: suits sbc two-piece rear main seal crank which was fitted to factory engines from 1955-1985. 2 pc rear main seal fits 400 454 & externally balanced stroker etc. External balancing is done because of improperly designed counterweights on the crankshaft. I assumed you where going to have the flywheel balanced with the rest of the engine components? Or do you plan to just replace the one you currently have? Is there any difference between the 454 mark IV flywheel and the 502 gen 6 flywheel?. Internal Balance. Exceptions to the above listings are these few special flywheels that do not interchange with each other or any of the above: • 1970-'71 Impala and Monte Carlo with 400-cu. As far as the timing cover noise, I've seen a stock stamped steel cover deformed by pounding a seal in too hard cause interference with the timing chain. And you need the correct flywheel weight for engine balance. We are a full service Speed Shop located in Columbus, IN. New and Used Automotive Parts and Accessories On Sale. Sfi 168 Tooth Big Block Chevy 454 Flexplate Bbc External Balance Heavy. Quick Time Balance Plate - 454 Engines. Installing the flywheel, pilot bushing, clutch, and pressure plate on a 350 chevy. 396's are internal. 175 results for 454 flywheel Save 454 flywheel to get e-mail alerts and updates on your eBay Feed. sterndrive flywheel is just a GM truck flywheel Inboard flywheel is a Mercruiser (or other marine engine supplier) special. The rotating assembly on the 400 sb and 454 BB can be internally balanced using heavy metal inserted into the crankshaft counter weights. 454 Partial Engine. More info on JEGS Performance Products. It currently has an automatic flywheel and we have most parts for the conversion to a 5 speed manual. Chevy BBC External balance 454. Just a cheaper way to produce the motor. Availability: In stock. removable weight, 31 lbs, Big Block, External Balance. 4L 454 Marine Longblock is intended for all GM Big Block V8 applications including Mercruiser, Volvo Penta, and Crusader, etc. two-barrel flywheel does not interchange with any other two-barrel listing. Hays 10-430HYS - Hays Billet Steel Flywheel, 1970-90 454 Big Block Chevy Hays Billet Steel SFI Approved Flywheel, 1970-90 454 Big Block Chevy, 31 LB, 33 oz External Balance, 168-tooth. Without counter weights an in-line 4 crank is balanced for primary forces, primary and secondary couples but not for secondary forces. Most 350 cubic inch engines are internally balanced whereas the 400 engines are not. crower flywheel chevy 454 10" alum/round external balance w/168 ring gear 02bbg sku. The external weights (out of the oil pan) are required to bring the engine into balance so these engines are externally balanced. See Chevy 454 Sfi Flywheel description for details from Ebay. Dyno testing at an additional fee. Auto Parts Online Make: Acura Aston Martin Audi Bentley BMW Buick Cadillac Chevrolet Chrysler Daewoo Dodge Eagle Ferrari Ford Geo GMC Honda Hummer Hyundai Infiniti Isuzu Jaguar Jeep Kia Lamborghini Land Rover Lexus Lincoln Lotus Mazda Mercedes Benz Mercury Mini Mitsubushi Nissan. This one-piece seal type Flexplate, 168-tooth, externally balanced for Chevy 454 engine applications (Part #: FHD-45401) is ready to install in your next high horsepower and high torque transmission build. Brand new MKIV 454 flexplate, for sale or swap for 454 flywheel Welcome to Rods 'n' Sods, the most active and friendly UK Rod and Custom website. a shop can make a 400 weight work on a 454 or vice versa by drilling or welding more weight in the correct spots. 2 pc rear main seal fits 400 454 & externally balanced stroker etc. There is a weight stuck on the balancer and flywheel of stock 400 sbc and 454 bbc. We feature daily all Chevy 454 Sfi Flywheel listings. Technical Notes: This flywheel is neutral balanced; do not use with externally balanced 454 ci. 19172101 DATE REVISION AUTH SHEET OF2 18 14FE14 Initial Release - Patrick Risse N/A The information contained in this publication is presented without any warranty. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. DMR-FL-8005 Same as DMR-FL-8021 except 30# steel flywheel. Your High Performance Headquarters SCAT Crankshafts is a true pioneer & leader in ingenuity, design & innovation. Small Block Chevy 383 400 MANUAL FLYWHEEL #GS9202 168 tooth for EXTERNAL balance engine with 2 PIECE REAR MAIN SEAL We use these flywheels in our engines and rotating assemblies when customers order them setup for manual transmission: To keep. Unfollow 454 flywheel to stop getting updates on your eBay Feed. hey all im rebuilding a 454 and im unsure if it is an external or internal balance, but it has a crankshaft and a flexplate but i am using a manual trans. I'm not sure if BBC flexplates have different bolt patterns or not but I am sure that the 454 is externally balanced and the others (396, 427) are internally balanced.