# 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:** 8

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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, 12:31pm UTC](https://forums.speedlife.net/t/new-gears-messed-up-speedometer/188290/8 "2007-02-27T12:31:46Z")

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> [@another full custom trunk job 76 lesabre........](https://forums.speedlife.net/t/another-full-custom-trunk-job-76-lesabre/28387/2):
>
> Y would u need a license? same thing as power tuner or HP isn’t it?

those things can only put a tune on 1 vehicle at a time… changing the speedo calibration is considered a written tune

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