Thanks 4.56s probably be the best but trying do this budget/ wife friendly. If I could get away with some parts from a salvage yard I think would be great money saver I don’t think GM ever put 4.56s in a half ton.
Hi Everyone I have a couple of questions about gears on a 2011 Suburban 7.5 rough country lift with 35x12.5.20s and the 5.3. I am having a hard time cruising at 75 on the highway it keeps down shifting to 5th and staying at 3k rpms. So I was thinking of switching gears to a 4.10 to help the...
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