Along with its new rubber, Project Ram got some mandatory ECU tweaks. (Image/Summit Racing)

If you’re fitting larger (or smaller) wheels and tires to a stock vehicle, there’s a good chance it’ll affect your speedometer accuracy. So after Episode Two of Project Ram, the Summit Racing tech folks knew that they’d have to recalibrate the 2020 Ram 1500’s speedo.

Click here to see the other Project Ram videos as they’re added

In this special Bonus Episode, watch as a Z Automotive Tazer DT Programmer gets installed on the modified pickup truck to help adjust the Ram’s speedometer. You’ll also see how the Tazer can unlock a ton of other cool capabilities within Project Ram’s ECU.

This tiny little module plugs right into the 2020 Ram 1500’s stock wiring harness to unlock a ton of cool hidden vehicle features. (Image/Summit Racing)

Watch how easy it is to install and use the Tazer module in the Project Ram Bonus Episode below.

(And you can always click here for more details on the products installed on Project Ram.)