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Smooth Throttle for UpRev

Originally Posted by Jordo! Finally tried it. Honestly, felt no different to me than my tuned map, and in regular Drive, a bit less responsive. Down shifts were a bit

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Old 08-21-2012, 02:34 PM   #1 (permalink)
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Originally Posted by Jordo! View Post
Finally tried it.

Honestly, felt no different to me than my tuned map, and in regular Drive, a bit less responsive.

Down shifts were a bit clunkier, not enough to be unlivable, but enough to make me think it's not an improvement.

Anyone who likes ETC off, try my throttle map instead -- feels snappier to my foot anyway.
Using ETC off with an Auto is a bad idea.

ETC off with a manual, is heavenly.

You definitely shouldn't use ETC off with an auto, it could put a lot more stress on your transmission, those clunky downshifts aren't good for it.


Also - Flashing wipes learned fuel data, so you really have to drive it for a bit before making the call on whether or not it's more responsive. The engine will definitely be sluggish and soft until it gets some trim data saved.
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Old 08-21-2012, 10:57 PM   #2 (permalink)
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Using ETC off with an Auto is a bad idea.

ETC off with a manual, is heavenly.

You definitely shouldn't use ETC off with an auto, it could put a lot more stress on your transmission, those clunky downshifts aren't good for it.


Also - Flashing wipes learned fuel data, so you really have to drive it for a bit before making the call on whether or not it's more responsive. The engine will definitely be sluggish and soft until it gets some trim data saved.
D'oh -- well only one downshift was clunky and under very low load, so hopefully its fine

If it follows TPS, it should be a linear function, and feel similar to the "smooth throttle" map. In theory the "driving force" value should enable you to tune it so it can be more responsive and peak faster, although it won't be linear anymore.

Oh well, guess it's all up to the individual driver.
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Old 08-22-2012, 07:59 AM   #3 (permalink)
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D'oh -- well only one downshift was clunky and under very low load, so hopefully its fine

If it follows TPS, it should be a linear function, and feel similar to the "smooth throttle" map. In theory the "driving force" value should enable you to tune it so it can be more responsive and peak faster, although it won't be linear anymore.

Oh well, guess it's all up to the individual driver.
^ That is, of course, definitely true.

It's not really about the throttle following the pedal in a linear fashion.. I mean yes that's good and what you want, but really it's the reduction in "processing time". There isn't that split second delay while the ECU calculates throttle position based upon user input, load and RPM. It just goes where it's supposed to be.

Also, it means VDC can't close the throttle. All it can do is apply brakes to prevent spins. I actually did a run by accident at my last AutoX with VDC still on and it was faster than the run before it...
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