I have an 82 f150 with a stock 302. I'm putting full length headers on, a summit 3601 hydraulic flat tappet cam with duration 276/286, Lift .471/.471 an edelbrock performer rpm dual plane intake manifold, edelbrock 600 cfm carb, and a k&n filter. Does anybody have an idea of what type of performance gains id be looking at? Any similar setups? or any suggestions? Trying to keep this very cheap so im not real excited to swap out heads.