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USMC302 · 01-21-2005, 01:38 PM

Yes, the octane rating decreases as you go up in elevation, but you said you tried the highest with no changes, let us know if problem still persists after a plug and fuel filter change.

01-21-2005, 01:38 PM	#4
USMC302 Registered Member Join Date: Apr 2001 Location: Gallatin, Tn Posts: 1,326	Re: Detonation problem Yes, the octane rating decreases as you go up in elevation, but you said you tried the highest with no changes, let us know if problem still persists after a plug and fuel filter change. __________________