Originally Posted by
jpcopeland1
My car in stock with the alumnus chassis can barely clear any jumps. Have a 72?tooth spur, and have tried from a 25-34 toothinion. Nothing really helps. Going to throw in a 13.5 to see if I can get gearing that will make it move. They finally tilled, resurfaced, and changed our home track which should bring up the grip which was Non-existent. May try the car again, but feel without the alloy diff uprights car is a lost cause.
Why can't the car clear jumps, lack of traction? Are there corners in front of the jumps and then you can't get the speed up for them? If so there are other things you can try. Any chance you can post your set up so we can have a look?