I just purchased a 06 GXP and heard that I should use premium gas. Should I use the higher octance or is regular ok. What octane gas to most people the V8 use? Thanks
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I just purchased a 06 GXP and heard that I should use premium gas. Should I use the higher octance or is regular ok. What octane gas to most people the V8 use? Thanks
Welcome. congrats on your purchase. U can use regular no problem. You wont have the power that u could have if u ran premium. The car will pull timming at higher RPM's. When i first got my car i used regular unleaded. Then i got a dyno tune and it hasnt seen nothing but Premium since. If ur after just a daily driver, and dont plan do to much performance mods. then use reg/mid. If u want the most for the car you paid for run premium. It up to you.
IF u have any more questions ASK away.
The 2008 Pontiac Brocher say premium fuel is recomended but not required
Last edited by Panther427; 05-13-2009 at 04:55 PM.
without turbo, supercharger, i dont think 93 will make enough diff to outweigh cost
That was pretty good. I'd still run 91+ in any car the "recommends it" honestly. Hell my buddy's 4.0 V6 Mustang ran nearly 3 tenths faster in the 1/4 with race gas in it...same 60 ft. and R/T too...who knows.
I'd say run the premium anyways...its like what? $4 more a fill up vs. the low octane junk? Exactly.
thats all i run in my 06 is 93. ask my wife, I get pissed if she puts a single drop of 87 or 89.
BTW she may be joining the site, as for we're going to go look at a '00 GP GT tomorrow, haha
Then keep it stock...it is a V8...most of the time the louder it is the more performance you are gonna had.
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