I need help tunning my 8l90 trans
hi guys im new to the group. I did a 2018 5.3 8l90 swap on my97 obs tahoe im running 22x14 forged wheels and im having issues with the transmission locking up at 75-80 mph the over drive locks on and off it feels like the engine looses power and the DOD is already disabled any help would be greatly appreciated :confused::confused::confused:
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thank you for the responce!
Quote:
Originally Posted by
Ben Charles
Post the tune, what gear ratio? The entire shift scheduling needs adjusted for that setup along with TCC lock settings due to tire size and gear ratio
35x13.50x22 390 gears
Attachment 119343
