turboolds
September 23rd, 2008, 11:08 AM
i have a tune for a 04 yukon 5.3 w/ 4l60e and i included the tune so you can take a look at it and see if its ok to use in a stock unit, and make improvements if needed. thanks
joecar
September 28th, 2008, 07:53 AM
Looks ok...
When you run it, pay attention to:
1. make sure it does not knock/ping/detonate;
2. make sure LTFT's do not wander far from 0%;
3. make sure TRQENG is sufficiently high (or trans will slip);
4. make sure TFMPRS spikes up on each upshift;
5. make sure each shift is correct and has some feel;
6. make sure TCCMODE indicates the torque converter clutch is locking in 3rd and 4th;
7. make sure TCCSLIP indicates very low/zero slip while TCC is locked.
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