I am getting ready to purchase a Dana 30 front and 44 rear axel to swap into my 52 CJ. I was told to go with early (1970-1975) CJ Dana 30 and 44's. The dude at the Jeep store says that I need a newer front (30) than I originally thought, because the 1970 to 1975 CJ's had drum breaks on the front, which is part of the reason I am swapping them in the first place. Can anyone set me straight on this? Do I need a newer model? Really I just want two axels that require little modification with an open knuckle design and front disk brakes.
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Nope, i was not aware!!??!! Any clue on which t-case i will need, and or adapters? thanks for your help.
Either Dana 20 or 300. The rear output has to be in line with the rear differential pinion gear. Assuming you still have the stock Dana/Spicer 18 stransfer case that come with your model, the rear output shaft is too far off to the passenger's side. More than the U joints will tolerate .
Assuming that you have the stock T-90 transmission, I believe there are Dana 20 cases that will bolt up with out an adapter. I could be wrong on this so any one knowledgeable feel free to correct me. Problem with a Dana 20 is that the low range is only 2:1. A 300 has a 2.6 low range but will not bolt up to a T-90 with out adapters and even then, I am not aware if adapters are available for a T-90 application.
i dunno either as far as what will bolt up, bound to be an adapter look at advance adaptor's website or novak's. and as far as front axles go you have 3 options, drum, narrow trac disk, and wide trac disk.
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All CJ5's had narrow track axles, until the end of production in 1983. 1976 to 1981 CJ7's had narrow axles. 1982-up CJ7 & 8 had wide track axles. 1971 models use D44 axle with Dana/Spicer 18 transfer case. 1972 used D44 with Dana/Spicer 20, which would be a centered differential.