Page. 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. 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. Average Rear Main Seal Repair Cost – To Have A Mechanic Replace Rear Main Seal The average cost to repair a leaky rear main seal, is anywhere from $800 – $1,200 dollars. Engine Block, Cast Iron, 350 Mains, Billet Main Caps, 4.120 in. However most everything else will be nearly the same. This guide is applicable to any pre-1987 engine that has a two-piece rear main seal. 350 : N/A : 4 : 1 piece rear main seal. $1,802.07. 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THAT HAS A DESIGN, THAT WILL NOT LEAK, WHEN PUT ON PROPERLY. You should also take the heads to the machine shop so they can be reconditioned as well. The adapter from Enginequest is a two-piece design, and uses a conventional small-block Chevy split rear main seal. 8 Metal ferrules on new upper intake gasket? chevrolet 350 crankshaft 1968-1985 2 piece rear seal casting number 3932442 crankshaft is jet cleaned,magnifluxed and precision reground .010 rods and .010 mains. He thinks whoever rebuilt the motor did not scrape off the chrome from the oil pan before installing. I am not sure what year nor what make or model it came out of, but I think the guy said the engine was made in 1978. How do i figure out what i have ?? In 2022, what will your car need to make your car go? Will either one... For the best answers, search on this site https://shorturl.im/avWgN. 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. You can sign in to vote the answer. « How do I get my crypto currency’s to auto deposit without my input ? 4. Where/what exactly does this represent in the engine? Keep in mind, if it isn't done right, you're building a nice boat anchor. 10049804 . Otherwise you're wasting your time and money. Together they form 1 round rubber circle. Weight, 1-piece Rear Main Seal Style 9 Reviews | 13 Answered Questions In Stock Includes fasteners, and … 350 . rear main seal. 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. Felpro Rear Main Seal kit -- a double offset lip seal Part no. may be picked up at our facility or shipped to you fed-ex for an additional fee. 2008 Cadillac CTS 3.6 DI? A3 Oem Chevy 350 1 Piece Rear Main Seal Housing Chevy 14088557 14088556 10088158 12.50 View Item Details Black 7qt Drag Style Oil Pan 86-02 Chevy 305 350 Sbc 5.7 - 1 Pc Rear Main Seal 73.49 View Item Details Stage 1 Engine Rebuild Kit W Flat Top Pistons For 1967-1985 Chevrolet 350 … The one piece rear had a seal that is one piece. How do you think about the answers? Does it matter what brand of tyres you put on your car? Prolonged heat and vibration in your favorite Chevy 350 could cause the rear main seal to fail. Add to Wish List Add to Compare. The seal for these engines are completely different and will not interchange. 1987-02 chevy gen 1 small block 1 pc. Is it worth paying more than double for a set of tires to have high end Michelin’s? Why did they remove the manual choke from cars? Do you really need to heat up your engine in the winter before you start driving? Goodwrench crate motor 2-piece rear seal "Hecho en Mexico" 10046164. Order ships free when this item is included and exceeds $99. may i make a suggestion? 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. 2 or 4. the crankshaft is different, the block is different, and the oil pan is different. 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? 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 Use a stock volume and pressure oil pump with it though because if you don't, all the oil will get pumped to the top of the engine and starve the bearings.Unless you drill out the oil return holes in the heads. We are using a Fel-Pro rear main seal designed for the earlier application. 4500219. get the rubber seal and make sure the lip faces towards the front and don,t forget to oil it up first and put a dab of silicone on both ends of the seal. The dipstick is on the left side of the engine for a two piece, and the right side of the engine for a one piece seal. Diff between the 1 pc seal is a 2 piece when i asked the `` motor ''... 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