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4.3 l omc rebuild

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The main engine components such as gaskets and stuff I used Felpro marine kits and bearings I use Clevite bearings for the rods and crank. Use the best machinist you know to have the heads, block, crank and rods done. Have him install the cam bearings. I ordered the exact same goodies as far as oil pump water pump timing chain & gears also important to match the camshaft so lift and duration is the same. Good luck.

Edited by pap

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I have three 4.3 OMC engines that have cracked blocks.  I sold the intakes off two of them and the exhaust manifolds on all three are cracked but lots of other parts left over.  If you want a bunch of spare parts I'll make you a great deal. 

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I previously had a few omc cobra engines. Used car parts often EXCEPT do not use car head gaskets. Marine head gaskets are Stainless Steel. Car head gaskets don't last well in a non closed cooling situation, especially in salt water

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