Originally Posted by jkas10

For what it's worth, Tim Long told me the guys have been running their 7 setups on the 7R - piston size/holes, shock oils, springs, diffs, etc. and going up in the rear diff 1K to start with. He says the car is very similar to the 7, but better in rough sections, has more steering and rotates quicker. That's why they go up in rear diff fluid. I just got mine and will start the build this weekend. First race next weekend.