Won't change. All grand prix's non-hd and hd have a 3.29 final drive ratio differential. The gtp's get the 2.93 from different drive sprockets. Impala's and Buick Regal's have 3.05 non hd diff's.
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12-30-2011
Won't change. All grand prix's non-hd and hd have a 3.29 final drive ratio differential. The gtp's get the 2.93 from different drive sprockets. Impala's and Buick Regal's have 3.05 non hd diff's.
12-30-2011
Ahem. 04+ NA has 3.05. Not 100% relevant here but I thought I'd let you know.Originally Posted by OH4CompG
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