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2004 GP GT 3800 VS 2006 Buick Lucerne

MN04GT

New member
Good Afternoon, Looking at putting a 3800 W/O super charger from a 2006 Buick into my 2004 Grand Prix (also no super charger). Junk yard does not show they are compatible but I am not finding what is different about the two? Any help is appreciated.

Thank you!
 


its the same, only difference is the engine mounting brackets. you may have to chase a few metric threaded holes if the engine has an unused bolt hole you need it'll be rusted up and likely to seize a bolt. youll probably have to clean the threads out of at least one or two holes

most of the differences will be smallstuff on the engine harness. ive put an 08 into a 97. youll have no problem
 
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