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We run OEM rotors on the 635 track car with Pagids. Have put about 26 hours of track time on the same set of pads and rotors. The track car is a few hundred pounds lighter that stock, but we drive it a lot harder than 99% of people would drive their street car.

I will be running the 635csi in the LeMons race at Gingerman on July 16th. There are two spots available for drivers. This is going to be setup as an arrive and drive. Mechanical ability not required, there will be a dedicated pit crew for car repairs, tire changes, etc. We will have 5 drivers for t...

The tank is no longer in factory condition. We have added a sump system to the bottom of the tank and only run an upgraded external fuel pump. As stated before, this helped but did not fix the problem. Fuel cells are expensive, but that is probably be the best solution.

Very true, I guess maybe I'm just in denial.

Previously it was a stock tank, we had the issue then. More recently it has been modified by adding a more effective sump type system than that of a stock tank. I do not belive we were having any problems running lean, it just cuts out now at times. I find it hard to believe that it is not getting f...

This is a continuation of Loftygoals' post on one or two fuel pumps. We ended up using a single external pump and he had modified the tank with a new sump system. Seemed to work well most of the time. We ran into some issues where the car would act like it's running out of gas later in runs by cutti...