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02-04-2002, 07:54 AM
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#6 |
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Moderator
Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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You don't mention what compression ratio you're aiming for. Flow numbers for the heads are the end-all. I'm shooting for over 400HP (crank) this year and my heads only 200cfm. You've got to look at the entire combination and match the components well. I know many guys that slap some TW heads on their car with a .560" cam and still can't turn elevens with their car. One of the best things that you can do is to look at others combinations and try to discern what makes them work. I also rely on Destop Dyno quite a bit. Not necessarily for quantitative numbers, but for comparison of changes..ie does a change take me in the right direction from a baseline.
At any rate, you should be able to make 360hp (crank) with either of the heads you mention. I also wouldn't ignore the AFR 165's, they have an excellent intake/exhaust ratio.
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Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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