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Z Factor · 05-31-2009

I only put name brand high octane premium into the ZR-1.

I have tried off name regular for other cars, and at times have gotten a check engine light pop on. When I go back to a name brand, the dummy light goes off.

I seek out Mobil/Exxon whenever possible.

05-31-2009	#8
Z Factor Join Date: Dec 2003 Location: S. Florida Posts: 2,647	Re: Gasoline of choice I only put name brand high octane premium into the ZR-1. I have tried off name regular for other cars, and at times have gotten a check engine light pop on. When I go back to a name brand, the dummy light goes off. I seek out Mobil/Exxon whenever possible.