Apr 3, 2009 · A forum community dedicated to Pontiac G8 owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and …

Pontiac G8 Tech Forums. Technical topics, tips, and help on the Pontiac G8 GT GXP Platform.

Oct 4, 2008 · Hi, I have a 2009 G8 GT, 1SC options package, had it for about 40 days and the GM dealer I bought it from has been trying to diagnose a vibration. They've re-balanced, done …

Aug 22, 2009 · The manual says to run 87 and so did the dealer. Will the car run any better with higher octane, not as well, or the same but leaving a bigger hole in the wallet? Of course I …

Jun 24, 2011 · I own a 2009 G8 GT and often experience a lifter/valve ticking noise when cold starting the engine. I have brought the car into the dealership (3) times to clear this problem …

Jul 20, 2008 · Whats up guys! I have an 08 G8 GT. I was looking through the menu on the radio and it gave me the option to turn on/off a rear aux. input. Does anyone...

Dec 8, 2022 · Pontiac G8 Tech Forums. Technical topics, tips, and help on the Pontiac G8 GT GXP Platform.

Apr 22, 2008 · The G8 Powerplant The Cylinder Deactivation took me for a spin I guess.... yes the G8 is heavier and the powerplant delivers bigger HP numbers than that Trans Am..... Guess I …

Apr 28, 2008 · Does anyone know if there is any technical reason the spare tire for the reg G8 can't be used on a G8 GT? If I asked the dealer to sell me the part(s) would it still fit in the …

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