I have a 1999 pontiac grand prix gt sedan 3.8L, I need to replace the engine and a friend of mine has a 1999 pontiac grand prix gtp he is selling so my question is can I replace my gt engine with his gtp engine?

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Asked by Jul 16, 2014 at 01:29 AM about the 1999 Pontiac Grand Prix 4 Dr GT Sedan

Question type: Maintenance & Repair

1 Answer

4,175

As long as you just use the basic engine I think you should be OK. Don't try to retain the supercharger though. That will involve changing the computer and the fuel pump and possibly other components as well to make everything work.

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