# New gears = Messed up Speedometer

**URL:** <https://forums.speedlife.net/t/new-gears-messed-up-speedometer/188290>\
**Category:** PittSpeed Automotive\
**Created:** [February 27, 2007, 11:58am UTC](https://forums.speedlife.net/t/new-gears-messed-up-speedometer/188290 "2007-02-27T11:58:28Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![BlueZ06](https://avatars.discourse-cdn.com/v4/letter/b/5f9b8f/32.png) [@BlueZ06](https://forums.speedlife.net/u/BlueZ06)\
**Post date:** [February 27, 2007, 12:51pm UTC](https://forums.speedlife.net/t/new-gears-messed-up-speedometer/188290/15 "2007-02-27T12:51:32Z")

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> [@Hi!](https://forums.speedlife.net/t/hi/28374/9):
>
> I picked up a hypertech programmer for about 150 on eBay for my truck.  
> (Maybe 170?) You can only use it on 1 vehicle at a time.
> 
> You just type in what gears you have and tire size and it calibrates the speedometer for you.

yup, exactly what I was explaining. Unless you have the actual software thats usually used from a laptop or desktop computer and a tuner license, the handhelds are worthless unless you actually purchase one for just yourself

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