Thread: Racing Fuel
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Old 06-21-2004, 01:25 PM
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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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Lead doesn't prevent detonation, lead was used as a lubricate. The old valve seats weren't as hard as the ones for unleaded fuel. The octane number is your guide to preventing detonation or pre-ignition.
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