2007 suburban
June 22nd, 2018 | 7:19 PM
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2007 suburban
Decided not to due a lot of towing anymore and want to know since i have a 4spd auto --can i change that over to a 6spd auto or do they make a 3.42 rear ratio for this yr - LOVE THE SUBURBAN JUST WANT TO GET A FEW MORE MPGs---thanks dennis