ANSWERS: 4
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most small block chevy manifolds and valve covers are interchangable prior to 1986
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Caution!!!!!!!!!!!!! Do not go any newer as the SBC's are very different after I beleive 1984. But most of the old SBC parts will. One thing, the 327 has a puke tube and the valve covers do not have breather caps.
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Everything will actually fit but like the other gentleman stated. they were changed in 86 so the valve covers were different in that the bolts went through the center instead of on the edges. also the 350 has a positive cranckcase ventelation (PCV) that you must use.
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out of experience they will exchange with no problem. one thing though go with the 327 bc motors werent castrated prior to about 1971 and you will enjoy the performance and endurance alot more.
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