it'll have 4.30 gears compared to the 4.10s that a 5 speed would have.

later years also had 4.56(31" tires and 5 speed stock) and 4.88(31" tires and auto) available from the factory

'79 sport 4x4 longbed <img src="/forums/images/graemlins/smile.gif" alt="" />
20/22R hybrid with EB's OS valves, 268c cam, offy intake, weber 32/36, thorley header, 5 speed swap, 34" LTBs, downey 3" springs, marlin hysteer, 4.88s and locked

'91 4x4 shortbed
22R-E, W56, the dd!