Basically I wanna know what I can and can't tinker with to get my torque converter to stop shaking but also put a tune in for pulling when need be! 2017 Chevy Silverado 1500 ( yes 1500 to pull stuff with at the moment) plus can't seem to get speed right. Running 35x12.5x20 and I have to type in 32 and 3.42 gears to get it withing 2mph
You can do both of those things all in the same tune.
Just plug in a tire size that gets the speedo the closest to a GPS reading. Should be able to do 33-34in tires then auto scale the transmission shift points to make it real close.
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.
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