Thread: vacuum pump
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Old 07-15-2002, 07:50 AM
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Join Date: Dec 2001
Location: Castalia, Oh
Cobra Make, Engine: EM cobra, 450 inch sbc running a best ET of 9.14..so far..ALL MOTOR...approx 800 horse.............ERA with 482 FE..All Aluminum Engine
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Bob you're right about the piston on the down stroke, I guess the point I was trying to make is that you won't see 30+ hp without the low tension rings...I don't really know how much negative pressure would be worth with stock rings, certainly no where near the 30 mark...
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