Originally Posted by mkoesel
I do agree he needs to get the basics lucid, but then I doubt that he will just shelve downshifting altogether until he does. What I am saying is, if he is going to downshift (particularly something like 5 to 3 where there will be a a large RPM gulf) he should rev match, otherwise he is just putting unnecessary stress on the car.
Yes, he will wear out his clutch faster. But the downside side is rear-ending someone while trying to heel and toe or something like that. It is a much simpler case if there is no braking involved obviously...