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Topic Review (Newest First)
07-24-2012 08:47 AM
my87Z 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
07-23-2012 01:12 PM
the82elco the head castings are 882
07-23-2012 11:10 AM
Greg T
Quote:
Originally Posted by zildjian4life218 View Post
Assuming they are stock smogger heads with 1.94x1.50 valves my guess is 330-350ish. What is the casting numbers on the heads?
You're being quite generous. The zz4 with the L98 heads and roller cam is only 355hp. I was gonna say about 275 to 300.
07-23-2012 09:29 AM
zildjian4life218 Assuming they are stock smogger heads with 1.94x1.50 valves my guess is 330-350ish. What is the casting numbers on the heads?
07-23-2012 04:19 AM
DR132 ~375 at the crank maybe? more info on the heads would be helpful but guessing doesn't really mean much. results are what matter
07-23-2012 02:29 AM
the82elco
need help estimating the HP of my new engine?

Ok i just build a sbc 350 for my car and i need help with trying to figure how much HP it should have.

ENIGNE SPECS:
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


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