87 olds cutlass came with a 307 in it. What is the difference in the two 307's offered? One has cast iron exhaust manifolds,the other with stainless steelanifolds. I have stainless.

Asked by Jan 12, 2015 at 06:27 PM about the 1987 Oldsmobile Cutlass Supreme

Question type: General

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The stainless dissipates heat better than the standard cast heads and makes more horsepower thus being a slightly better running engine

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