What do I do to change motors?

Asked by Benjamin Jul 12, 2020 at 01:07 PM about the 2004 Pontiac Grand Prix GT1

Question type: Maintenance & Repair

I have a 2004 Pontiac Grand Prix Gt
with a 3800 motor in it I need to
change out the motor,what years a
compatible with mine...Also is it
possible to install a motor with a super
charger if so what modifications would
I have to do???

2 Answers
18,255

munron answered 3 years ago

Research your car to find out if it has a series 2, 3, 4 etc. 3.8 in it. You will want to find the exact same engine so you don't have problems with the sensors etc. If you want a supercharged GP then buy a GTP. There are still lots of them out there and they are cheap and ready to drive. Building your own is a huge job as you also need to change all the electronics, the transmission the fuel system (2 stage fuel pump is required) and a few other thing that I can't think of at the moment.

Mark helpful

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