Thread: Dyno
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Old 08-10-2005, 08:29 PM
rblong rblong is offline
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Join Date: Oct 2004
Location: Roanoke, Tx
Cobra Make, Engine: 2002 Lone Star Classics LS427, 428 CJ engine stroked to 464, 580hp/590tq at flywheel
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Thanks for the input. I have not run it without an air cleaner. I am running one of the large oval Cobra style cleaners, mechanical fuel pump. My fuel pressure is staying bout 6-7 top to bottom. My AF was about 14 when I dynoed and I went from 76 to 79 on pri and 83 to 87 on sec. Pri proved to be too rich so I had to go back the 76 on them, but left the 87 in sec. I have not done an AF since. I am running all MSD 6AL ignition with a 5800 rev chip. Dyno showed peak HP (280RHP) at 4200, flat to 5200 and then drops off like a rock after 5200. I will try the simple stuff first (air cleaner, timimg, fuel etc) and then decide what to do. I have no problem recamming, but would also probably go ahead and do some head and rocker work.

Thanks again,
Bruce
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