Thread: Just bought a 2007 grand prix GT

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  1. #1 Just bought a 2007 grand prix GT 
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    Hey guys, So I just bought my GPGT and of course it has the L32 engine. I was just seeing what the stock pulley size is for the l32. Is it 3.8 just like the L67s? My car has a different belt, and the pulley almost looks on the small size to me. Also, I can push the supercharger belt down pretty easy, how much play does the tensioner have?
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  2. #2 Re: Just bought a 2007 grand prix GT 
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    3.8" pulley.
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  3. #3 Re: Just bought a 2007 grand prix GT 
    The Blue One blueguy's Avatar
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    Measure it...previous owner might have put a smaller pulley on it...which you will now want to either...

    A) Scan for knock and see that it probably has some if it isnt a stock pulley
    B) Put a stock pulley back ON
    C) Get headers.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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