Thread: value of 1972 olds 7a heads
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01-29-2004 02:04 PM #5
CHR Member
- Join Date
- Jan 2004
- Location
- van horne
- Car Year, Make, Model: 1978 Pontiac Bonneville
- Posts
- 14
i want to put 7a olds 350 heads on a 403 old to raise the compression to 9.5:1. Can anyone tell me how well this works or if i should be using a different set of heads.
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And then a newer model....
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