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Old 05-23-2009, 10:35 AM
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bbc power?

im building a 489 with 10:1 comp with ported merlin heads and a mildish cam upper 230's duration, close to 600 lift, anyone have a ballpark what kind of power itll make through a th400 and tune semi aggresively on 93oct, just curious

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Old 05-23-2009, 12:00 PM
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Do you have the full cam specs? Assuming you will have a good exhaust system, I bet you will be around 575hp and 600 ftlbs. That is assuming a hydraulic flat tappet cam with mid .500 lift. If you got a cam with .600+ lift, I think as much as ~650 hp may be possible. I think the motor below is a good one to compare to.

I am pretty sure I found the cam for the engine below:
236 246 @.050 .553 .571 lift

540 hp 509:
http://www.jegs.com/i/World+Products...8000/10002/-1#

Ill bet The cam is very close to yours. This engine has a little less compression and the heads are not ported.

Adam
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