Ran out of talent eh Zef?
FISC was run on road tyres - £160/set, buffed, fitted & balanced. 130 bhp in 650kg car, it was quite good fun. But you had to get the line right first time and it concentrated the mind
The Monty was on Proxes list 1 for the 6 hours, and I was able to hold most people through the quick corners.