Speed Calibration

[Burstingbb]

What speed Calibration tool did you use?

Getting 35's soon and want to make sure everything gets calibrated right.

I have a 2018 Ram 1500

 

[Ross Thompson]

AlfaOBD

Sent from my moto z4 using Tapatalk

 

[CincyZach]

https://www.roughcountry.com/speedo...2018-dodge-ram-1500-4wd-375267&sid=17P0Lmq4DC

I have 35" tires. For me setting my tires to 33" on this device had my speed dead on with GPS.

 

[Robert Horne]

AlphaOBD here. Colorado if you’re nearby, be happy to help!

 

[Graygoose]

https://www.roughcountry.com/speedo...2018-dodge-ram-1500-4wd-375267&sid=17P0Lmq4DC

I have 35" tires. For me setting my tires to 33" on this device had my speed dead on with GPS.

yup, used this on my 2015, I need to order one for my new truck.

 

[Burstingbb]

yup, used this on my 2015, I need to order one for my new truck.

Does it remap the shift points like it says or does it just do the Speedo?

 

[Graygoose]

Does it remap the shift points like it says or does it just do the Speedo?

fixes the speedo, some say that speedo also is determining the shift points. But I didn't see any upgrade or degrade, just fixed speedo. And can scan for codes.

 

[CincyZach]

Does it remap the shift points like it says or does it just do the Speedo?

I felt it changed the shift points. The biggest difference I could tell was on the highway it wouldn't shift to 8th gear much and when it did the instant I touched the gas it would drop back down. Now I can cruise in 8th gear no problem.