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09-12-2013
So, I recently got my GTP and was reading the manual, and it says "If your vehicle has the 3800 Supercharged V6 engine (VIN Code 4), use premium unleaded gasoline with a posted octane of 91 or higher for best performance."
Now I've only been using 87, should I switch to 89 or 91, or just stay with 87?
What are you guys using?
Last edited by ExpertAdviceMan; 09-12-2013 at 02:50 AM.
09-12-2013
Use the highest you can get. I always run 93
09-12-2013
Well I'm nearing empty, I'll be sure to throw in premium. Should I go 89 or 91? I think there's a gas station near me that just got 94...
09-12-2013
Are you running any mods? I'm all stock (right now).
09-12-2013
Even stock you need premium
09-12-2013
Ah damn, guess I'll keep that in mind when I get gas tomorrow
09-12-2013
Gotta pay to play!Originally Posted by ExpertAdviceMan
09-12-2013
Even completely stock you should be running the highest you can. Either 91, or 93 depending on where you live.
I run nothing but 93 in my car.
09-12-2013
series III's compensate a bit better for lower octane than prior series, but not for too long....you just bought the car, would hate to hear about premature detonation.....run at least 91 while completely stock.....
09-12-2013
I run 93, now and when I was stock.
09-12-2013
87 + full car + 1 WOT run = dead engine.
09-12-2013
93 all day everyday
09-12-2013
I guess i should point out though that does require a tune and sometimes larger injectors depending on pulley size ad other mods
09-12-2013
I think I'll stick with my e 85,105 octane for 2.60 a gallon
09-12-2013
None of that in my area.
I think I'll stick with my e 85,105 octane for 2.60 a gallon
09-12-2013
93. Nothing less
09-12-2013
91 with no ethanol, which is the best I can get around here.
GMPP, Votland, Addco
09-12-2013
I let a friend use my car once...he filled it with 87
THE worst it ever ran.....like totally something wrong bad.
I have different friends now.
end of story
09-12-2013
I wouldn't even know where to buy 91 around here. All there is is 87, 89, and 93. No ethanol either. I could just throw an ear of corn in my gas tank lolol
09-13-2013
If only!
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