At that time the 258 came with 1v or optional 2v. But the question really is what happened or may have heppened with this jeep the 20+ years before I got it. Do you know where the block casting numbers are located?


78 CJ7, 83 wide track axles/Dana 30 Front W/ OX Locker, Model 20 rear w/ one piece shafts(welded tubes)/Detroit Locker, 4.10 gears. 4.5" spring lift with 3/4" shackle lift. 35x12.50 BFG MT, 4.2L, Weber Carb, K&N, T18,Scout Dana 300,Warn 9.5ti