This is what my setup is gonna be:

GM 350 LM1
9.2:1 compression after the heads
Protopline iron lightning heads:
180cc intake runners
2.02/1.60 undercut valves
1.6 roller tip rockers
64cc chambers
Cam:
Comp Cam Kit 238
Grind: 262
Lift: .462"/.469" (.493/.500 after 1.6 rockers)
Duration@ .50 218/224
Lobe Separation 110
Intake:
Weiand Stealth 8016

I was thinking a holly 600 or 650 with mechanical secondaries
any thoughts?

 

650dp or maybe a 700.?

 

Holley 6210

 

I wouldnt put anything bigger than a 650 on it. Youd be ok with a 600 or a 650.