Originally Posted by Hookedup12
High 13s are fine right now until I do more but what is a good head and cam combo that will give me some good power. I don't mind turning this motor 6500 or so just don't wanna screw it up with this crappy cam and heads that are on right now.
Go get some gt40 heads from an exploder. Do a google search on how to identify them and what years got them.