I am looking two buy a complete 350 gasket kit, and my question is this: Is there a difference between a 1 piece and 2 piece rear main seal? I had it installed and it fired right up and runs great. 1955-86 chevy small block v8's 2 pc. I was offered a used 350. yes there is a difference!! 350 engine 1 piece vs 2 piece rear main seal???? You can sign in to vote the answer. GOP resistance to impeachment trial grows, Ex-Trump aide recalls morbid departure ceremony, Watch: UCLA gymnast stuns in powerful routine, 5 killed, including pregnant woman, in Indiana shooting, Rodgers on 4th-down FG call: 'Wasn't my decision', Fauci stars in the White House's new COVID-19 PSA, Hathaway felt 'empowered' after brush with trolls, Nancy Lieberman could have been on Kobe's helicopter, Tesla accuses ex-worker of stealing company software, Call center operator helps woman escape abuse, Packers cough up game late with bad choices, http://teres.info/BatteryReconditioningCourse. 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. out of the way IME. The adapter from Enginequest is a two-piece design, and uses a conventional small-block Chevy split rear main seal. They were the same though-out the run. 4. No start after fuel injector change. Join Yahoo Answers and get 100 points today. You didn't say what you plan on using this engine for but if you're looking for performance, its very easy to turn it into a 383 which will make incredible torque and substantial horse-power. Don't forget the timing set either. Page. crankshaft is ready to install. Some people are getting quotes of up to $2,500 dollars on some vehicles, which is way to expensive for what I … 350 : N/A : 4 : 1 piece rear main seal. $38.84 $ 38. I don't know if it has a 2 piece rear main seal or a 1 piece seal… the long and short of it is, there's quite a bit more to building an engine than just swapping out parts. 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. You can sign in to vote the answer. Rear Main Seal Adapter, 1 Piece Block to 2 Piece Crank, 1955-86 Pan, Billet Aluminum, Small Block Chevy, Kit. Chevy 305 Engine Rear Main Seal Replacement. Still have questions? We used a Parragon reproduction gasket set. $1,802.07. Will either one work on any 350 engine? all oil passages are radiused and journals are micro-polished. may i make a suggestion? How do I get my crypto currency’s to auto deposit without my input ? Add to Cart. How do you think about the answers? In 2022, what will your car need to make your car go? 4. However most everything else will be nearly the same. GOP resistance to impeachment trial grows, Ex-Trump aide recalls morbid departure ceremony, Watch: UCLA gymnast stuns in powerful routine, 5 killed, including pregnant woman, in Indiana shooting, Rodgers on 4th-down FG call: 'Wasn't my decision', Fauci stars in the White House's new COVID-19 PSA, Hathaway felt 'empowered' after brush with trolls, Nancy Lieberman could have been on Kobe's helicopter, Tesla accuses ex-worker of stealing company software, Call center operator helps woman escape abuse, Packers cough up game late with bad choices. FREE Shipping. THAT HAS A DESIGN, THAT WILL NOT LEAK, WHEN PUT ON PROPERLY. Chevy Small Block V8, 153 Tooth Count, 16.2 lbs. I am on deployment in A-stan right now and am just trying to figure out if i have a 1 piece rear main seal or 2 piece. $2,247.95. Items 1-30 of 41. It will come with all the parts you will need to re-build the bottom end, including gaskets. Or he says if they did, it should have dried out from sitting for 2 years. Starting in 1986 they changed to a one piece. Canton Racing Products 21-850 - Canton Racing SBC Rear Main Seal Adapters Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit Part Number: CTR-21-850 2 . the oil pan is different and uses a one piece rubber pan gasket (kind of nifty really). the seal has nothing to do with the trans the seal keeps oil in the engine if you have a 2 piece seal then you need a new 2 piece seal buy a repair manual and read up on the problems you have with your car, its a one peace seal they stop makeing two peace in late 70. rear main seal. Join Yahoo Answers and get 100 points today. your engine will have the 2 piece seal. Together they form 1 round rubber circle. DO TO THE IRREGULARITIES IN BLOCK AND OIL PANS THIS ADAPTER IS NOT DESIGNED TO USE THE ORIGINAL STYLE RUBBER REAR OIL PAN SEAL. 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