This one falls into the “I didn’t know they made an adapter for that” department. I was doing some research into whether there was an overdrive solution (besides the Sierra OD attempt) for the Dana 20, which I thought there wasn’t, when I came across this thread from the early CJ-5.com website. It turns out, someone made an adapter that allowed the Dana 20 to attach to a BW overdrive, though I suspect such a combo would only work in a long wheel base vehicle (these adapters are also occasionally on ebay as well). Here’s a pic from the thread.
Additional Threads:
1. Herm the Overdrive Guy: http://www.hermtheoverdriveguy.com/id20.htm
2. International Harvestor: http://www.justih.org/Binder-Bench/showthread.php?p=36604
3. From Jp Magazine: http://www.jpmagazine.com/techarticles/drivetrain/154_0611_old_school/index.html
Yeah….no way would there enough room in a CJ5 for that combo….I think that would only work in 2wd too? That setup is as long as the t-case driveline combo in my sisters 75…. You might have room for a single u-joint between the OD and the rear end….
…and such a combo would only work in 2wd. The operator would have to remember that. Thanks for sharing the photo. I’ve only seen this setup on a Spicer 18 Trans. Case.