Im not sure that my 307 block has the right heads on it. My Valve covers have 5 for each cover. The oldsmobile originally has 7 a piece, 3 on top 4 on the bottom. I need help cant find the valve covers look like the right parts. I did research and the 394 valve covers look like they will fit same bolt pattern. Is this possible that my 307 block has 394 heads?

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Asked by Aug 22, 2017 at 10:21 PM about the 1987 Oldsmobile Cutlass Supreme

Question type: General

Can a oldsmobile 307 block have 394 heads?

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