I've had 4 80-86 trucks.
'83 F-150 stepside with 302+NP435+NP208
'86 F-250 RCLB 351wHO+C6+NP208 swapped to 302+ZF5+NP208
'86 F-250 SCLB 351wHO+C6+NP208 swapped to 351wHO+ZF5+NP208 then swapped to 460+ZF5+NP208
'86 F-350 CCLB 6.9+C6+NP208
The common theme... Every '80'86 I've owned has come with a NP208. They're fine for small blocks, but carried a spare with me every time into the woods behind the 460. Haven't broke one with the IDI yet but haven't used 4x4 for more than snow and boat ramps.
Shift pattern for the NP208 is a straight line no sideways or push down detent/lockout for neutral or low range.
2hi
|
4hi
|
N
|
4lo
Pic from the '86 F-350 IDI:
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