Join Date: Dec 1999
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Re: going to look at a j10 tomorrow...need advice
a j10 is a half ton truck, a J20 is a 3/4 ton truck ( dana 60 rear on the 3/4 ton)
both front axles will be dana 44s, drivers side drop, the J10 rear in 1982 was a heavy duty Model 20.
all will be 6 LUG, and about 65 inches wide, pretty wide for a CJ
the trans will be a 727 if its a V8 engine, or a heavy duty option for the 258 I think.
if its a light duty 258 engine application it might be a tf904 or 999.
the Tcase is probably a NP208 if it has lockout hubs, if it doesnt have lockout hubs a 219, 228, or 229, some are full time, all are chain drive aluminum cases.
look fr rust around the fuel tank, and closest frame rail, and in the rear quarters, and on all the metal wheel well flares.