I blew my head gasket and I was wondering if it would be worth it if while I had the heads out should I have them ported and polished. or should I buy some new heads. Basically am I gonna see more horsepower gains out of the old ones after the machine shop or just some lt4 heads.

94 z28 a4 100550 miles

 

Contact Lloyd Elliot at eportworks. You can purchase one of his top end packages for less than $2K with your stock heads.

 

Its always worth it

I agree Lloyd should be your first contact.