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Austinsevenfriends
Which head ? - Printable Version

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RE: Which head ? - Austin in the Shed - 07-07-2019

Model A Ford CR was 4.2 although they did a "Police " head CR 5.5.
On The one we had we put on a 14 hp head giving about 6.5 and it worked fine.

RE: Which head ? - Tony Press - 07-07-2019

The '1937' head is around 6:1 compression ratio.