[DeTomaso] 2V heads

[JJD1010 at aol.com]

In a message dated 1/11/2007 2:38:33 AM Central Standard Time, 
charlesmccall at gmail.com writes:

One advantage (assuming it's used correctly) is that the closed chamber
heads, having a much smaller combustion chamber than the open chamber, will
boost your compression ratio significantly.

Anybody happen to know what the Ausiie heads compression ratio would be for a 
stock 
73-74 engine? and for a 71-72 engine? Even approximate would be of help.

Thanks,

Jeff
6559