09-08-2009, 01:09 PM
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CC Member
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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
Posts: 1,395
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Wraping does more to keep heat inside the header and out of the engine compartment than anything...but then you're opening the tuning issue can of worms, because the exhaust gas keeps its velocity longer, then engine runs leaner, and you will have to rejet the carb....that has been my experience.
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Jack
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