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Does re calibrating change the tac as well as the odometer ?

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Old May 11, 2014 | 02:46 PM
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Kenny B
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Default Does re calibrating change the tac as well as the odometer ?
I went from 32" to 33" and I know it affected the odometer but not sure if it changes the tac.
I am changing gears and will re calibrate it once the gears are in.

Thanks.....Ken
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Old May 11, 2014 | 02:56 PM
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Default Does re calibrating change the tac as well as the odometer ?
no you need a programmer when you change the gears and tires to recalibrate the speedo but it does not affect the tach as that's just engine speed
Last edited by jeeparmstrong; May 11, 2014 at 03:26 PM.
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Old May 11, 2014 | 03:10 PM
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If you have a manual transmission I really wouldn't bother recalibrating for 32 to 33's. Heck I didn't for 32 to 35's
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Old May 11, 2014 | 03:27 PM
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To simply answer your question - Yes, it does affect both, odometer and tachymeter.
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Old May 11, 2014 | 03:32 PM
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Originally Posted by crusaderJK
To simply answer your question - Yes, it does affect both, odometer and tachymeter.
speedometer and odometer yes, tachometer No
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Old May 11, 2014 | 03:35 PM
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Sorry, I'm a bit confused. Isn't a tachymeter and a speedo the same??
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Old May 11, 2014 | 03:40 PM
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Originally Posted by crusaderJK
Sorry, I'm a bit confused. Isn't a tachymeter and a speedo the same??
Nope. Tach is the engine rpms, speedo is speed, and odometer is total mileage
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Old May 11, 2014 | 03:47 PM
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Originally Posted by kh202
Nope. Tach is the engine rpms, speedo is speed, and odometer is total mileage
Alright, thanks!! Learned something new.
Foreign languages can be tricky. In german the speedo is called "tacho".
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Old May 11, 2014 | 03:50 PM
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Originally Posted by crusaderJK
Alright, thanks!! Learned something new. Foreign languages can be tricky. In german the speedo is called "tacho".
Interesting
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Old May 11, 2014 | 03:57 PM
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Originally Posted by kh202
Interesting
Yeah, well.....they basically do the same thing - measuring speed
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