Originally Posted by Functional

I ran MM4 on slick-mid grip clay and just switched to RM4. MM4 I had a decent setup and positioned best ae 3rd or 4th in 17.5 class. I lost a lot of responsiveness getting enough traction to the rear though, it kept unloading too quickly and required keeping on the gas through turns. Not to say some workup on suspension wouldnt have helped but I figured Id try rear motor before I went crazy to see the difference.

balance is amazing though, even when it breaks free it was very easy to control, just lost time when it did.