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Old October 8th, 2007, 08:25 PM   #3 (permalink)
don71
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Join Date: Jun 2007
Location: Central Missouri
Posts: 226
I bet that car rides like your living room couch

The olds 350 and the chevy 350 have about....hmmm 6 bolts in common. They are very different. Olds engines look a whole lota like. You need to check the block casting # to be sure. The Olds big block is simply a raised deck version of the small block.

To id the engine for sure look here. If its a 350 the number will be 395558. The pictures below show a 403 and a 425.




If its a 455 the number will be 396021.

I would like to suggest you buy these valve cover gaskets, they are awsome.


I say have fun and enjoy.
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1971 Cutlass S Holiday coupe-455/th400 3.23
Oldsmobile they were meant to be driven.
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