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jasonz28camaro · 07-01-2021, 07:42 PM

Any of you do any tuning with the truck OS? I have TUTD working on my 68 but it won’t tapshift at WOT using this method or manually shifting, shifts immediately and fine at part throttle. The reason I mention the truck OS is because when I’m in L gear to access the TUTD mode (different from cars) hptuners says my driving mode is in “normal” mode, not TUTD. With mine being a swap project I could be an oddball, I’ll need to do some testing on my wife’s Tahoe to see what hptuners says for driving mode when I use her TUTD. Either way just wondering if anyone has successfully figured this out for trucks. I’ve checked some truck forums and such with no luck.

07-01-2021, 07:42 PM	#21
jasonz28camaro Drives: 2007.5 Duramax Join Date: Nov 2016 Location: Houston Posts: 101	Any of you do any tuning with the truck OS? I have TUTD working on my 68 but it won’t tapshift at WOT using this method or manually shifting, shifts immediately and fine at part throttle. The reason I mention the truck OS is because when I’m in L gear to access the TUTD mode (different from cars) hptuners says my driving mode is in “normal” mode, not TUTD. With mine being a swap project I could be an oddball, I’ll need to do some testing on my wife’s Tahoe to see what hptuners says for driving mode when I use her TUTD. Either way just wondering if anyone has successfully figured this out for trucks. I’ve checked some truck forums and such with no luck. __________________ Built C6Z 600whp NA - SOLD Built LSX 96SS - SOLD 68 Camaro - 6.2/10l80, self built and tuned.