Originally posted by fst4dr:
I think your getting double clutching confused with heel and toe shifting. I haven't seen any road racers that still double clutch. 
A good exaple of double clutching is in the car chase in "Bullitt" Steve Mcqueen does it all through that chase in his mustang. If you haven't seen it, you should see it for one of the best car chases of all time 
It is THE BEST car chase scenes of all time !!!
But thats my opinion
