Quote:
Originally Posted by Cody6.2
You do understand that there are not only different octanes but grades and additive packages for fuel, right? So even if there wasn't different additive packages (there is) each dealer can choose the grade (not octane) of fuel they carry.
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Ok, you're making me nervous lol, will there be a performance down grade if I let this Valvoline crap run fully through my engine until my next oil change?