Paul, this has me completely puzzled. I believe you, but why do you think this is so? I have a 2200-2500 Hughes street converter with 3:23's, getting about 11 mpg. I wanted to switch to 2:93's, but now I wonder. BTW, my converter sure feels stock, as I notice no slipping or unusual revving. Sean Paul Lennemann wrote: > my gas mileage went from 6 mpg with the .430's to 6.5 or 7 with the .276's. ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.