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

GM Tech 2 Question...

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Old 04-12-2005, 11:26 PM
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GM Tech 2 Question...

well i work at a GM dealer and was wondering when i install my 4:10's in my car, could a Tech 2 or any other computer dealers use be able to re-calibrate my speedo?

if not i guess i'll need to talk to pcmforless or Madz28. What else could a computer tune do for my car with the mods in the sig. i have a Manual fan switch also
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Old 04-13-2005, 10:50 AM
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Re: GM Tech 2 Question...

No dealership tools will allow you to reprogram your gear ratio to 4.10.
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