bad68coupe New Member Jul 18, 2006 220 0 0 Richardson, TX Aug 10, 2006 #1 Aug 10, 2006 #1 what are H.O. heads and what kind of effiecency and performance do you get when the combustion area is heart-shaped?:SNSign:
what are H.O. heads and what kind of effiecency and performance do you get when the combustion area is heart-shaped?:SNSign: