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Longhorn Man · 08-19-2003, 04:21 PM

If the 89 solves the problem, then you should run it all the time.
Octain is basicly resistance to ignition. If it is igniting without a controlled spark (your spark plug) then you need a grade that will have more resistance to ignition.

08-19-2003, 04:21 PM	#11
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	If the 89 solves the problem, then you should run it all the time. Octain is basicly resistance to ignition. If it is igniting without a controlled spark (your spark plug) then you need a grade that will have more resistance to ignition.