Mike, thank you for your response. I have stock gears. My tire size is 285/65/18. Speedo was correct before and is still correct. When I said I changed the speedo I increased the max speed. I called tech support and they said something about having to download my stock tune and the tune I used to ...

I have got a 2007 Silverado that I installed the U7194. The only changes that I made from the 87 octane program was the tire size, rpm limit and speedometer. When I got finished all was well the the ABS and E Brake lights came on. I checked for codes and there were none. Is this a known problem with ...

Hey 06MonteSS,
On my 7198, the new version, is there a way to change the vehicle speed from KPH to MPH? I have looked all through the programmer and cant find where to change it, even if i can change it. I appreciate all your help.

hey guys thanks for the responses. i am still kinda new to all of this, with that in mind how would i get a custom tune done? I am running an 2000 5.3 Silverado with an 07 Suburban intake, an edelbrock 90mm throttle body and stock injectors. the only changes other than that I have done are used the ...

Does anyone know if the U7198 has an EGR delete feature? I am changing out intakes and my new intake does not have an egr provision and I want to get rid of the EGR valve but I dont know if the U7198 has an EGR delete feature can anyone help me, PLEASE!!!!!