I will be hand porting my heads myself. been watching enough videos and reading enough books to do it myself. got a pair of spare heads to practice on. any how. with heads and intake port matched, 750 cfm 4bbl carb, hooker headers, 3.73 gearing 4 speed. looking for a camshaft to compliment it to make atleast 400hp. right now I got a purple cam. believe the specs are 268/268 474/474 why is the lift so low? was looking at a lunati 276/289 513/533 110
