Thread: 72 429 cylinder head
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12-09-2005 12:56 PM #1
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72 429 cylinder head
what exactly is wrong with 72 cylinder heads that make them prone to detonation with high compression ratio(9or10to1) is it the anti reversion humps in the exhaust ports?
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You're welcome Mike, glad it worked out for you. Roger, it's taken a few years but my inventory of excess parts has shrunk a fair bit from 1 1/2 garage stalls to about an eight by eight space. ...
1968 Plymouth Valiant 1st Gen HEMI