if you have not tried this you should. Stock pinion with the body raised up this thing rocks!. I was at the track and could hardly grip with the stampede tires, but I was still working over 2 8th scale buggies. It is fast, and with the wide pede wheels and tires it is much more stable. On the road it will actually burn out all 4 tires and then wheely 10 feet later. It will wheely at 3/4 full speed and it when it is coming at you it looks like it is running on pizza cutters. AWESOME STUFF. I will say I took a couple of nasty spills on pavement today and everything held up with nothing breaking.