Speedo recalibration

[03silverstallion]

I have sent in an email on this but I never got a response, so I figured that i would try it here on the forum. I have a 2003 V6 Mustang that I have been modifying for years. I have an i Tune i-1000 and I'm running the Diablo tune. I'm also already using it to adjust for my new, larger rear end gears. I want to install the Mach 1 gauge overlay as it goes up to 150mph with a top of 8000rpm. My current gauges only go to 120mph and 7000rpms. Is there a custom tune that can be done to adjust my gauges to read for the Mach 1 style correctly, and still have my Diablo tune with adjustable parameters?

[mikel]

shouldn't require any changes for this. The tune doesn't control this, the speedo reads from the speed sensor in the trans generally.


Thanks

[03silverstallion]

Do what you are saying is that this can't be done?

[mikel]

I would look into how others have accomplished this on similar vehicles.