Build so far....

350 4 bolt 2 pc .030 over block

Scat 9000 3.75 crankshaft 935050

6 inch rods
ARP bolts

Sealed Power 8-KH124CL30 Speed-Pro Hypereutectic Piston and Ring Kit
Piston Dia. 4.030''
Piston Top: Flat Top, 2-Valve Reliefs
Floating Pin
Moly Rings

Dura-Bond Coated cam bearings CHP8T

GM Damper 8 inch 6272222
GM Flywheel 3973456n

76cc GM Heads (462624 Casting), waiting for springs

Edelbrock Performer Intake

Holley 650 CFM carb...or no?

4 Speed Super T10
Center force clutch

Im looking for some camshaft suggestions. Would like a whole kit with push rods, rockers, springs, etc. Im hoping to get near 500hp, Mostly street will take it to the track once in a while. Please help guys thanks!

Not gonna happen with those crap heads and intake and small carb

I'd run a small cam like a voodoo 268 grind

Im willing to change parts i just need a little help

Head casting that will flow closer to 270's cfm or more. 10.5:1 comp aluminum head 9.8-ish:1 iron head

Preferably a hyd roller in the low 230's at .050, mid upper 280's advertised duration. .550" lift or abit more.

Vic jr preferred or a ported performer rpm intake. 750 carb

I agree with Orr as stated above. Not gonna get much performance with those heads. I think those heads are for a 305 sbc. Once you choose a better set of heads preferrably something in the 195 to 200 cc heads , then I would ask for cam suggestions. You wanna build the motor so you have a matched combo. But this all depends on what you want to use this motor for.