Dave Blanton passed away back in the 90's. No one picked up his redrive for continued production. Dave's 2.0:1 ratio gave way to the 1.6:1 because Dave said "HE WAS TRYING TO TURN THE ENGINE TOO FAST". You see, oddly enough, Dave Blanton and Jess Meyers were friends. One worked with the Ford, the other worked with the Chevy. It was merely a matter of preference.