Re: Std 8 engine rebuild - 1929 or 1936?

Posted by Owen_Dyneto On 2012/8/23 10:27:29

Major factor is compression pressure or compression ratio. Data from factory specs for the 320 engine.

1929 - compression pressure 84-87 psi
1934 - compression pressure 95-100 psi
1935 - compression pressure 110 psi
1936 - compression pressure 119 psi (optional 7:1 HC head)