True, there can be low quality fuel with high octane and vise versa. I tend to only use tier one gas, 91 octane or higher. My GT has a definite preference for Chevron but in the Spyder I cannot tell any difference between the tier one brands and all are 93 octane in these parts.
None of our vehicles get Exxon products, fuel or lubricants for business and ethical reasons. They are not a tier one gasoline anyway.
My ex-wife drove gas tankers. She said all the gas comes out of the same spigot at the refinery.
Originally Posted by jcthorne
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