Question

Our '74 Duster came with a 904 transmission and a 2.45 (that's right) 8 1/4 single side rear end. I couldn't imagine matching the low comp teen with those highway gears but that was the set up and it ran surprisingly well. She now has 3.90s and a sure grip in the 8 1/4. Someday I will find out how that will run but for the time being its just parts everywhere for the rest of the car.