They did do a bearing change so you couldn't just swap over to the bb axles Spacing for the brakes is different too. The 74 Dart Swinger \6 Auto had LBP and 2.94 SG. I kept the axle for my 65 B-cuda that was LBP (using 68 RR 4 piston front and Ford 9 inch rear). I ran that 7.25 for years but had an issue so I built a 8.25 using a truck's 8 3/8's SG and 3.55 gears. I put the 7.25's rear backing plates and 2.5x10 drums on that 8.25 housing. They fit OK.
Retired, US ARMY 1973-1994
ASE mechanic, Electrical 1994-1997
Retired GTE/VERIZON/FRONTIER 1997-2015
Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.
03 Suzuki Burgman 650(Burger King) Scooter
65 Formula S Cuda
78 Little Red Express Truck
98 Buick Regal (wifes car)
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