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
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.
2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.
If you don't post your tune and logs when you have questions you aren't helping yourself.
Thank you