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My trans tune never feels like it should at part throttle or wot. My immediate problem is that at the track last night it hit the limiter on the 1-2 shift every time. I tried lowering the shift rpm down to 5950 and it didn't make any difference. Any ideas based on the tune and log?
Mods:
2.4 Upper
8.6 Lower
Ported Snout
Ported TB
Headers
ID 850s
HX
DP6X Cam
Lid spacer
Airaid
Curious on this. I don't see anything. I assume you are running with traction control off ?
Traction and stability control are off. It flares a little on the 2-3 shift at part throttle as well. The tuner only threw in a canned trans tune without street driving it. Then I have been trying to tweak it on my own and I am past the basics of what I know how to try.
Ok, these trans need the torque management reduced by 50%, NOT disabled. Make the following changes; enable upshift torque reduction. CT, Power Downshift & Garage Shift are OK disabled. Go to Shift Torque Factor & change to .5 (from your .250). Next go to Spark Limiter > Spark Min-TqMgt and enter 0 in any cell that has - values.
For the shift firmness, add 60 psi to the entire stock shift pressure tables. Next return the Shift Time Torque Adder Upshift tables. To start, I would multi the entire shift time tables by .75. Then to firm up the shifts further, multi the tables by .9 at a time.
Also return your WOT shift speeds to stock as you have them higher than stock.
Russ Kemp
i have a problem similar, as if the traction control was on
Attachment 96186