turbinedoctor
God
Bendz look nice but never wanted one. They are German Arent they.
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76GMC1500 said:Turbinedoctor, except for the head gasket and freeze plugs, there are no differences between an automotive 350 Chevy and a marine 350. The newest of the new marine motors from GM have hardened exhaust valve seat inserts but are otherwise identical to their automotive crate motor equivalents. Most automotive motors come with brass freeze plugs, anyways.
The accessories are what make the difference. Marine carburetors have bent float bowl vents that dump the gas inside of the carb as stated earlier. All marine electronics are ignition protected. Marine distributors do not have vacuum advance. Marine ciruclating water pumps have stainless steel impellers and shafts. Marine fuel hose has a low permeability to fuel vapors.
Everything else is interchangeable between automotive and marine.