Quote:
Originally posted by mbtoloczko
The torque control is used to soften shifts. The ecu either pulls back timing or shuts off fuel when it receives a gnd signal from the tcu. I think the tcu uses the atmospheric pressure to adjust shift patterns. Not sure how, but that's what I've heard.
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Hmm, so it seems you'd have rough shifts from not having the torque control hooked up. Searching endwrench shows the atmos pressure sensor also helps soften shifts at higher altitude. I guess you could introduce a separate MAP and have that connected to the TCU. But really it'd be interesting to see how much harder the shifts would be. Though the closer you are to sea level the less effect it would have.