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Old 09-05-2012, 07:47 AM
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SPF1061 SPF1061 is offline
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Join Date: Aug 2002
Location: Richmond, VA
Cobra Make, Engine: Superformance Mk III / Windsor platform
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My Roush 427R tends to run on when I switch the key off. This running 93 octane and 34 degree total advance. Adding 3 gallons or so of 110 octane to a 17.5 gallon tank of fuel corrects the issue. Non scientific, real world results. FWIW.
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