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#1: 11-18-2012, 02:17 AM
gas ques. 87 & 91
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Location: NY
Car: '05 LGT
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i hav done prior research n got different answers. Maybe u guys can help me. Can u mix regular 87 octane n premium 91 octane ? I have ask a couple of mechanics and they have said its ok to mix those 2 grade. But i hav read online that if u do tha it will causes problem to the engine. So which is the proper answer ?!?! i ususally put only premium in my car but after the stom i had no choice but to put regular. I wanna go back to prem. But i dont know if i can mix the gas.

Last edited by bl6azn; 11-18-2012 at 12:11 PM..
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