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106 Posts
Discussion Starter · #1 ·
Ok i just build a sbc 350 for my car and i need help with trying to figure how much HP it should have.

sbc 350 bore 40 over
Comp Cams 'Magnum 280H' Hydraulic Flat Tappet Camshaft
Fel Pro 1094 Shim Head Gasket Thickness .015''
76cc heads
125 dome pistons
9.9.1 CR
edelbrock performer RPM intake
edelbrock 600 cfm carb
hooker headers
2200-2700 STALL


1,736 Posts
with the 882 heads you are pretty much limited. I think you would be lucky if you were making 300hp. you have to remember that the heads you are using where used on 350 motors that where making 160hp. to double the hp that those heads were originally intended on making would seriously be doing something. I can't find the exact numbers but i dont think those heads where flowing more than around 180cfm @ .500" lift.

if you were willing to spend around 800.00 for a set of aftermarket vortec heads like the RHS pro torkers, I think your hp would go from around 280-300 up to around 350-360hp
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