727 or 904
Got two 904 in use on the drag strip...71 Dart 360 runns low 11 in Las Vegas working on 4 season with same 904...
69 Barracuda 360 runs high 10s in Las Vegas, working 5 season since rebuilt...
and they are very high tech trans...since I did them...LOL..
converted both 904 to 5 disc front drums...used good disc and bands..
Oh..did i say they are both being launch with a Tranzact Pro Transbrake...