Years ago I built a DSR from an old Van Diemen FF race car.
basically took the front suspension and chassis, and put a snowmobile engine in the back with a chain driven live axle, then put aluminum body panels over it.
Truly, hideously ugly.
weight 770 pounds wet, no driver, with 150 horsepower engine with a CVT clutch. Used it for mostly autocross.
Won every race it ever entered except a couple of hillclimbs.
Some notes: Some chassis are brazed. The Van Diemen was which is HORRIBLE to modify.
Big drivers don't fit - cockpit is small.
The chassis are light, but really not very strong, and really not very safe compared to other designs.
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