Changing the gears in my suburban
I have decided to change the gears in my suburban (2008 5.3L 4sp auto), but not sure how much of a change to make. I currently have 3.73 gears, and was thinking 4.30 because 4.10 doesn't change much,...
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I took a prior 2500 Burb to 4.10s from 3.73's. Put it right in the sweet spot for interstate towing. Could stay in OD all day at 65 mph regardless of terrain with a 8700 lb TT. (99 7.4)
