Mine is drive by wire. I went with the black box under hood from and 04 ram. I couldnt come up with a way to mount the electronic pedal that felt comfortable to me. You can see the box in the pic by the power brake booster.

69 Barracuda 70 Cuda 70 Cuda 70 Cuda Conv. 70 T/A Challenger 70 Sport Fury GT 71 Demon 5.7 Hemi 72 Demon