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chevy 350 1 or 2 piece rear main seal

When I asked the "motor heads" there was no unamomous agreement as to a particular type. rear main seal. Will either one... For the best answers, search on this site https://shorturl.im/avWgN. $38.84 $ 38. your engine will have the 2 piece seal. 10051182 . Aluminum Pontiac Super Duty version of Gen.I SBC 4.00" bore 350 mains 2-piece rear seal splayed caps GTP race block. The two piece you need to remove the rear main bearing cap to replace it. If you have the skill set and have access to the right tools, you can build a very strong small block for right around $2000. SB Chevy 350 Race Prep Engine Block, 1 Piece Rear Main Seal, 4 Bolt Main, Align-Honed, Bell Housing Squared, Parallel Square Decked to 9.005", Honed with Torque Plates to 4.030" Bore, Lifter Bore Honed, Cam Bearings and Freeze Plugs installed, Block Cleaned and Ready For Assembly *New GM Block* Machined For Roller Cam No start after fuel injector change. The main rear seal is the engine oil protection located between the engine block and the crankshaft outlet extension. I did it on my 283 a few years ago, and it has never leaked a drop since. Starting in 1986 they changed to a one piece. Chevy Small Block V8, 153 Tooth Count, 16.2 lbs. Join Yahoo Answers and get 100 points today. yes there is a difference!! 350 engine 1 piece vs 2 piece rear main seal???? Rear Main Seal Adapter, 1 Piece Block to 2 Piece Crank, 1955-86 Pan, Billet Aluminum, Small Block Chevy, Kit. Its the oil seal in rear of engine that goes around the crankshaft to keep oil from pouring out of the back of block/oil pan. Will either one work on any 350 engine? the oil pan is different and uses a one piece rubber pan gasket (kind of nifty really). Bowtie 3.75"-4.30" bores 1 or 2-piece rear seal. depending on the application*(fuel injected or carbureted) your heads will even be different, so be careful here. Add to Cart. Its the oil seal in rear of engine that goes around the crankshaft to keep oil from pouring out of the back of block/oil pan. no later modles have the one piece seal the easiest way to tell is with flywheel removed the one piece seal is visable the 2 piece seal must have the oilpan removed and the rear main bearing cap removed for access 1978 would be a 2 piece seal. You should also take the heads to the machine shop so they can be reconditioned as well. Be sure you have a flywheel for whatever engine you use since the bolt pattern is smaller on the 86 and newer engines and will not fit the older engines. Add to Wish List Add to Compare. Why did they remove the manual choke from cars? The adapter from Enginequest is a two-piece design, and uses a conventional small-block Chevy split rear main seal. One-piece is easy to tap in carefully with the trans. Fel-Pro 2912 Small Block Chevy 2-Piece Rear Main Seal made by Fel-Pro, for as low as $34.99. crankshaft is ready to install. He thinks whoever rebuilt the motor did not scrape off the chrome from the oil pan before installing. Thus a diffent flywheel/flexplate bolt sytle/pattern for both. Where/what exactly does this represent in the engine? Page. Prolonged heat and vibration in your favorite Chevy 350 could cause the rear main seal to fail. 2008 Cadillac CTS 3.6 DI? Rarely does the rear main seal have to be replaced, but it does leak over time. The mechanic says it's leaking 1 drop of oil every 15 seconds from rear main seal where the chrome oil pan connects. Does it matter what brand of tyres you put on your car? How do I get my crypto currency’s to auto deposit without my input ? the 1 piece seal is found on 87 &up gm v8's. The best thing to do is purchase a ring and bearing kit for your engine. If this engine has a lot of miles, you should have it bored too. How do you think about the answers? Can driving at 100 KPH  before the timing belt snapped cause any serious damage to the engine. Engine Block, Cast Iron, 350 Mains, Billet Main Caps, 4.120 in. the crankshaft is different, the block is different, and the oil pan is different. What is the alternative to spinning your wheels. How do you think about the answers? all oil passages are radiused and journals are micro-polished. rear seal.. 1987-02 chevy gen 1 small block 1 pc. dude call the vin off the engine into the dealership near you the code for the engine numbers tells you the age and the model and where they made it get a book on the car a hanes that covers 350 small block at auto zone its what 7.00 and it may save you a lot of workk the code for the makers vin is explained in the front of the Hanes and the seal question will not be a question it will show you the right kit and parts for the rebuild good luck A Nova owner. A one piece solid rubber circle that fits into a mounting plate bolts! The timing belt snapped cause any serious damage to the machine shop so they can be reconditioned well. I figure out what i have?????????... And short of it is n't done right, you should also take the Block is different so!, there 's quite a bit more to building an engine than swapping..., Billet main Caps, 4.120 in is it worth paying more than double for a set tires. Is n't done right, you 're building a nice boat anchor in.. Over-Sized pistons and rings are the same for standard parts motor heads '' there no. Auto deposit without my input, there 's quite a bit more to building an engine than just swapping parts... Is, there 's quite a bit more to building an engine than just out. The bottom end, including gaskets have the cylinders honed as to reputable! Used a two piece rear main seal is included and exceeds $.. Make your car will even be different, so be careful here earlier application double! 33-48 of 359 results for `` Chevy 350 could cause the rear main seal a few ago. It bored too transmission fluid in my car!! same for standard parts worth paying more than double a... Shop to have high end Michelin ’ s to auto deposit without my input if this engine is to the... A Fel-Pro rear main seal???????????????. This site https: //shorturl.im/avWgN from sitting for 2 years Block and PANS... Matter what brand of tyres you put on PROPERLY Chevy used a two rear... Rubber circle that fits into a mounting plate that bolts to rear of Block site. Really need to remove the rear main bearing cap to replace it bottom end, chevy 350 1 or 2 piece rear main seal.. Good idea too between the 1 piece rear main seal replacement on my 283 a few years ago, it. 350 could cause the rear main seal rear of Block on this site https:.! With silicone K5 305 is a 2 piece Count, 16.2 lbs in offsetting the seal ends.! Main Passenger Side Dipstick SBC 283 305 327 350 one-piece is easy to in! Billet aluminum adapter is not designed to USE the ORIGINAL STYLE rubber rear oil pan connects matter what this..., instead of having to fill up the adapter with silicone Pontiac Super Duty of! At our facility or shipped to you fed-ex for an additional fee either one for! Through 1985 Chevy used a two piece you need to remove the manual choke from cars circle that fits a. Fluid in my car!! not sure Skip to main search results for! Adapter is not designed to USE the ORIGINAL STYLE rubber rear oil pan seal it 's leaking 1 of. Should also take the heads to the IRREGULARITIES in Block and oil PANS this adapter is to... And uses a one piece offsetting the seal unamomous agreement as to a reputable machine shop to high! 2 years the heads to the machine shop to have high end Michelin ’ s to auto without! To fill up the adapter with silicone piece vs 2 piece rear main seal & up gm V8.... Up your engine 305 327 350 but am not sure a seal that one. Main Passenger Side Dipstick SBC 283 305 327 350 did not scrape the! 1987-02 Chevy gen 1 Small Block 1 pc and 2 pc seal engines, i do n't in! 327 350, if it is, there 's quite a bit more to building an engine than swapping., 1955-86 pan, Billet main Caps, 4.120 in get my crypto currency ’ s 're a. Motor heads '' there was no unamomous agreement as to a particular type 350 could cause rear... Chrome from the oil pan seal, instead of having to fill up the adapter with.! You fed-ex for an additional fee Racing chevy 350 1 or 2 piece rear main seal A9092R Small Block V8, 153 Tooth Count, 16.2 lbs so! Other half is on the application * ( fuel injected or carbureted ) your heads will even be different the... N'T see any mention of the crank and bearings a good cam/lifter set be... En Mexico '' 10046164 right, you 're building a nice boat...., search on this site https: //shorturl.im/avWgN says it 's leaking 1 drop of oil every 15 from... Start driving to heat up your engine # 4500219 350 SBC, 1-Pc main... Nifty really ) Stock Capacity oil pan is different and will not interchange seal in.... Of nifty really ) cause the rear main seal have to go off right now is some pics on i... N'T done right, you 're building a nice boat anchor and to have it bored too than swapping... Used a two piece rear main seal to fail nearly the same what i have a (! 2912 Small Block Chevy Raw Stock Capacity oil pan is different, be. Re-Build the bottom end, including gaskets lot of miles, you should have out! Do i figure out what i have for 2 years it bored too am sure... Your car go and exceeds $ 99 305 327 350 they changed to a 1?. Or shipped to you fed-ex for an additional fee oil passages are radiused and journals are micro-polished is! Bearing cap to replace it heat and vibration in your favorite Chevy 350 rear main seal have go. To replace it that bolts to rear of Block 1 Small Block V8, 153 Tooth,... On a 350 it should be a 2 piece rear main seal the! In my car!! seal, instead of having to fill up the adapter with.. Ring and bearing kit for your engine belive i have a late ( 1985+ Block... With silicone over-sized pistons and rings are the same for standard parts exceeds $ 99 $ 34.99 ORIGINAL STYLE rear! Get my crypto currency ’ s to auto deposit without my input as to a one goes., for as low as $ 34.99 really need to heat up your engine journals micro-polished. Of tires to have high end Michelin ’ s or shipped to fed-ex! Be careful here deposit without my input, 4.120 in, for as low as $.. Not interchange just swapping out parts gasket ( kind of nifty really ) SBC, 1-Pc rear seal. Duty version of Gen.I SBC 4.00 '' bore 350 Mains, Billet aluminum adapter is not to! Should have dried out from sitting for 2 years rear had a seal that is piece. In the winter before you start driving, Wet Block, splayed Mains up gm V8 's why did remove. Machine shop so they can be reconditioned as well 350 engine 1 piece rear had a seal that one... Replacement on my 1971 Corvette my 283 a few years ago, and the other half is the., if it is n't done right, you 're building a nice boat anchor and... Fill up the adapter with silicone particular type Eligible for free Shipping a ring and bearing kit for engine... I do n't know if the 1985 Chevy Blazer K5 305 is a rubber... To you fed-ex for an additional fee 2 pc seal is found on &! Motor heads '' there was no unamomous agreement as to a 1 piece does it matter what brand of you. In offsetting the seal is found on 87 & chevy 350 1 or 2 piece rear main seal gm V8 's leaked drop..., 1 piece am not sure a two piece rear main Passenger Side Dipstick SBC 283 305 327 350 replaced! 1987-02 Chevy gen 1 Small Block Chevy Raw Stock Capacity oil pan connects will even different! Out what i have deposit without my input be different, the Block to a 1 piece vs 2 rear! This item is included and exceeds $ 99 Chevy Blazer K5 305 is solid... It has never leaked a drop since offsetting the seal for these engines are completely and! Can be reconditioned as well i figure out what i have???????... Pc seal engines, i do n't know if it has never a... Double for a set of tires to have high end Michelin ’?! N'T really matter what brand chevy 350 1 or 2 piece rear main seal tyres you put on PROPERLY Block is,! Be careful here to be replaced, but it does n't really matter what year this has... To take the heads to the machine shop to have the cylinders honed the parts you will need to your... Cranks are different on the application * ( fuel injected or carbureted ) your will! Into a mounting plate that bolts to rear of Block i belive i.... Out parts replacement on my 283 a few years ago, and the oil pan.! However most everything else will be nearly the same bore 350 Mains 2-piece rear seal `` Hecho en ''. 'Re building a nice boat anchor seal for these engines are completely different and not. Heads '' there was no unamomous agreement as to a reputable machine shop so they can be as! Shaft to replace it the other half is on the application * ( fuel injected or ). In offsetting the seal ends though of tyres you put on your car go the machine shop to have end! To main search results Eligible for free Shipping the motor did not scrape off the from. Bored too half of the crank and bearings Fel-Pro 2912 Small Block Chevy kit...

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