Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

Tunnercat, gear changes, and automatics ?

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Old Oct 13, 2003 | 12:02 PM
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carnutz's Avatar
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Joined: Nov 2001
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From: Oakdale MN
Tunnercat, gear changes, and automatics ?

1st I have a laptop and tuner cat, I have changed gears in a couple of cars with automatics and went in and changed the speedo scalar deal. I have read that Tunnercat does not adjust for the gear in the trans tables, to make it shift correctly. The cars hit the revlimiter before it makes a 1/2 shift(and I assume that the other shifts are the same).
SO what table to I need to change to make it shift and by how much? I have tryied the "normal modeup/down shift points" table and lowered the shift MPH and nothing. What am I missing?
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