the OD units on a 42rh and 46rh are the same size...they only difference is the number of clutches and steels inside..


so on that end of the trans is not going to make any difference in trans tunnel surgery...

46rh is based on the 727
42rh is based on the 904


Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)