Anyone here ever used the "Hawks Racing- Prostop slotted brake rotors" on their 79-86 Mustang? They are always selling new on e-bay(in one of the e-bay stores). They are a 5- lug 10" front disk replacement, that use the origional spindles, calipers and bearings as the 4 lug rotors that came stock, on Mustang and other Fords. They are not crossdrilled only slotted. They claim that they will run up to 200 Degrees cooler than stock rotors. They go for $100 a pair plus $26.00 shipping. Does this sound worth it? It seems alot cheaper and easier than swapping everything over to go to 11" rotors. This is a daily driver that I am considering the swap for.