ok heres the deal.....I have a 454 bored 30 over flat top pistons, 781 heads, edelbrock air gap intake, edelbrock 750 carberator, no stall convertor 400 turbo tranny, 373 rearend gears. Which would be the best cam for my street truck. Please someone give me an idea because this is the first big block i have built. BTW it does have stock valve springs. TIA Tommy