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Re: Premium Gas or Regular?
I have a question somewhat related to this thread. If a GTP is ran for a long period of time on regular fuel, can there be permanent damage if you switch to premium? I am pretty sure that the previous owner of my car used the cheap stuff. I've never used anything lower than 92 octane since I bought it three years ago. Everything has seemed fine to me, but I've always wondered about that.
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