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Just bought a 2007 grand prix GT

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04gtols1

New member
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?
 


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.
 
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