Swap Report: Removed the 7 1/4" rear (3:23 gears) from our 1961 Dodge Lancer, A904 trans. Installed another 7 1/4" rear (2:76 gears) from a 1974 Dodge Dart Sport. Bolt out/bolt in swap, even brake lines and cables (used original '61 shock plates). MUCH better cruising, better mileage, all around...