03-02-2018, 09:57 PM
(03-02-2018, 04:45 PM)Alan Wrote: If you mean '37 v older heads, then they are not the same. The high compression one is thinner and the combustion chamber shape is different.
And make sure any modern reproduction gasket for either is the correct shape - some are incorrect and protrude into the combustion chamber which some (I believe incorrectly ) state leads to pre ignition.
Cheers, Tony.