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Re: Premium Gas or Regular?
Now that I'm starting to understand this better about all the different pros and cons of premium over regular, I have a couple questions.
I've been running 87 in my 95 GTP with the 3.4L DOHC, according to the manual this is ok, but if I switch to an 89 or higher am I going to notice a difference? Should I consider bumping it up if I start modding the engine, with say a CAI or FWI? And finaly, aside from effecting my wallet slightly can it hurt to to play around with the different octanes?
Thx
Jamie
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1995 Pontiac Grand Prix GTP
3.4L DOHC
only mods are aesthetic, for now
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