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You have manual and automatic hubs in that vintage truck, see:
http://www.off-road.com/toyota/tech/aisin/

If you can find someone with automatic hubs, you can probably make a trade for your manual hubs, since most folks with the automatics want to get rid of them smile

It would be a fair amount of work to retrofit the automatic differential disconnect into the early truck. With the manual hubs, there is no rule that says you must always unlock them after use. Some folks I know who live in snow country, lock their hubs at the first snow and leave them locked until it melts in the spring. Then you just shift in and out of 4WD as needed with the transfer case shifter.


So this doesn't hurt the hub at all?? You see, I hunt alot and would love to be able to lock them in before I leave, then unlock them when I get home. So I can lock them, then switch into 2 wheel drive while locked?? Because I will be driving at highway speeds with them locked and in 2 wheel drive. No damage to hubs will happen??

88 P/U EFI 4x4... Stock for now.. 05 Corvette MN6 Z51 Package