Could use some advice. bump the 4.8L or dump it.
Oct 9, 2018 | 04:56 PM
#11
Joined: Nov 2001
Posts: 4,868
Likes: 16
From: Warr Acres, OK
07 Classic with a 4.8. If it is 2WD there is a real good chance it has 3.23 gears. Then if you have put a taller tire on it it is going to suck worse. First thing I would do if it does have 3.23s is put gears in it.
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