Thread: 2004 GP GT 3800 VS 2006 Buick Lucerne

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  1. #1 2004 GP GT 3800 VS 2006 Buick Lucerne 
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    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!
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  2. #2 Re: 2004 GP GT 3800 VS 2006 Buick Lucerne 
    GXP Level Member Turbocharged400sbc's Avatar
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    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
    ~James~ Psychotic Gearhead
    projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
    1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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  3. #3 Re: 2004 GP GT 3800 VS 2006 Buick Lucerne 
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    Thank you, That is what I was hoping to hear!
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