allballsmustang Member Mar 31, 2005 174 0 16 Lehigh Valley, PA Jun 7, 2007 #1 Jun 7, 2007 #1 im trying to choose pistons and i need to know what size chamber the gt40p heads have so i can get the right compression ratio....anyone know how big they are?
im trying to choose pistons and i need to know what size chamber the gt40p heads have so i can get the right compression ratio....anyone know how big they are?
88mouse New Member Apr 18, 2007 630 0 0 Mooresville nc Jun 7, 2007 #2 Jun 7, 2007 #2 65 if i can remember right. They are big i know that. But you can have them milled down.
Mr. Rustypwnz Advanced Member Jun 1, 2005 1,761 63 69 indianapolis/ valdosta ga Jun 7, 2007 #3 Jun 7, 2007 #3 60, stock is 65.
allballsmustang Member Mar 31, 2005 174 0 16 Lehigh Valley, PA Jun 7, 2007 #4 Jun 7, 2007 #4 i think that sounds right...