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Old 01-24-2010, 02:51 PM
Larry Spillman Larry Spillman is offline
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Cobra Make, Engine: NAF 1965 427 bodied w/Clevland 351 bored 60 over toploader 4 speed White and grey stripes
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You wont lose much power and the added back pressure will allow better tuning of the motor. You may lose about 15hp a dyno pull would tell you where your at do it before mufflers and after.
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