Swapping my 3.42 rearend for a 3.73 rearend what all do I need to change in my tune? Truck is a 2003 with 5.3 and 4l60e
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Swapping my 3.42 rearend for a 3.73 rearend what all do I need to change in my tune? Truck is a 2003 with 5.3 and 4l60e
Change the gear ratio in the gear/tire wizard under the edit tab, check the box to auto scale the transmission settings and that is it.
Thank you