i recently had a 1968 c-4 that was upgraded to kevlar bands and clutches and an h servo,i am going to take the original 1970 and do it over,has anyone ever used the red clutches i keep seeing advertised,i would like to use them and upgrade with kevlar bands,the guy who built my 68 tranny is going to help me do the 1970 over,also is the A servo any good or should i upgrade this also,mostly use the car on the street,thanks for your opinions