proper rallycross is whats needed, 10th rally cars, 200mm, oldskool shell's like rs200, 6r4's. escort wrc's , 306r4 ( andy burton styleee) and mad motors, indoors, circuits on mixed surface,,,, proper giggle.
we used to do this at ludlow on our polished boards,,, soooooo much fun! just cant get the decent shells as listed above