With the combination of clutches and steals used in my build I was told to use dex 3 non synthetic and of coarse I am going to ! I would like to know if anyone has used Mobile DM atf , it says GM , FORD , ALLISON . Or how about Lucas Sure Shift semi synthetic , might be a good compromise for good clutch lock and lower trany temps ? What would any of you recommend , the local NAPA has regular dex 3 , would like to hear your input ! Thanks !