Transmission swap

Asked by Andre May 03, 2018 at 12:27 AM about the 2006 Pontiac Grand Prix Base

Question type: General

Hi. I have a 2006 grand prix. I'm not a fan of the 4
speed transmission is there a 5 speed automatic
transmission that bolts on like maybe the G8 trans

4 Answers

14,425

Not likely. Remember its electronically controlled so everything will be different with a different transmission. What's the problem with the transmission that's in it now?

Nothing wrong with it. Works good. Might need a transmission mount though. Was just asking cause if there's a 5 gear automatic I'd rather have that.

Could I bolt on a GT or GTP supercharger on my 3.8 non supercharge ?

14,425

No, the internals of the engine are different. Plus you'll need the two stage fuel pump and a bunch of wiring and electronics will need to be changed. It's really not worth it. If you want a GTP buy a GTP. So if the transmission in your car is working fine why are you not happy with it.?

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