Quote Originally Posted by justmejohn71
hey guys hows it goin. i have a gm 350 300 hp crate motor 9.1 1 cr im gonna put a set of DART IRON EAGLE Platinum series cylinder heads 64 cc 200 cc runner 2.02 valves springs good to .525" lift i also have a set of 1.6 roller rockers im looking for a cam for this engine i want a street strip engine ineed lowend tq but i would like a good bit of power id love 450 hp an close to that in tq. is this posible with out changine any pisons or any thing major like that i think the pistons have a slight dish to them. i will switch in take an carb as need thank you very much any info will help greatly.

p.s. this is my first engine on my own

john
The 200 cc heads are to large.
I would try a set of 180 cc heads to 6,500 rpm's.
165 cc heads for less than 6,000 rpm's.