Hello, I've posted a topic "Mustang Speedometer Correction - Please Help" and have not heard back since the first reply. I'm hoping this message will draw a response to my other thread, or that I can get an answer here!

I've had the intune since shortly after its initial release, and I've ...

Update:

Today I used the "tire height" adjustable parameter to try to adjust my speedometer. I set it to 26", which is what I physically measured on the car. The speedometer shows only a third (or 1/pi?) of my actual speed as measured by GPS. I confirmed again that the correct gear ratio of 3:31 ...

I was going to PM this to you Mike, but I see you have PMs disabled. I hope you are able to help.

Hello,

I am the mustang owner with the speedometer problem that posted a couple of weeks ago. I posted the tune as you asked. For the speed correction, I had used the tire sidewall, as I stated in ...

Tune is attached. In the "Adjustable Parameters" menu, for both sidewall and diameter, there is a statement similar to "not previously set". It was only when I entered values into these fields that the speedometer got extremely incorrect.

I've been happily using my intune for about 3 years now. On older versions of the inTune firmware, I could easily adjust/calibrate the speedometer using tire revolutions per mile. However, now that only the sidewall tire dimensions, or tire diameter can be used for speedometer adjustment, I can't ...