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Can you put 1985 Chevy heads on a 1975 350?

Updated: 8/20/2019
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11y ago

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Yes you can. Be wary that if there is much of a difference in combustion chamber size you will be affecting the compression ratio.

As an example, most of the 350's in 1975 had the 76 cc chambers. If you put a set of 58cc heads on that block, your compression ratio would go from about 8.5:1 up to something north of 10:1. This would make more horsepower, but is not pump gas friendly.

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11y ago
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Q: Can you put 1985 Chevy heads on a 1975 350?
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