I have a 2005 grandprix GTP and am looking to but a new or rebuilt transmission. I was wondering if the standard grandprix and the GTP have the same transmission?
Transmission is shifting hard in first gear and also lurching weird in higher
rpms. Also have a buddy with an 03 impala with a solid transmission and was
wondering if the transmission would work out of that. they both have the 3800
motor. any help would be much appreciated!
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