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Showing results for tags 'valley cover'.
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Hi im rebuilding an 86 5.7l small block dumped the old heads (warped one) installed 2 Vortec heads , the motor that will see MARINE use, 48' house boat 3Bowee try hull. my q is what is the purpose of the VALLEY COVERS in the engine ? there was a very rusty cover held by 3 bolts that connected to a central oil delivery " tube", do I need it? why is the cover used in the first place? will its absence cause detrimental issues in the future? ps .aluminum intake manifold is new how do I make sure proper install I got rigid plastic intake gaskets new grade 8 bolts from local supplyer keep snaping at 25 foot/pd setting help!