Join Date: Dec 1999
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Re: Jeep TF727 Lock-Up or Non-Lock-Up? HELP!
the lock ups were available in some of the wags.cherokees J trucks, BUT not all.
it was usually deleted with the optional towing package.
the ONLY way to know for sure is to check the end of the input shaft.
if it has a smooth "nub" about 3/4 inch long then its a lockup, it will also have a hole in teh center of hte shaft that goes all the way thru the shaft.
the non lockup, has splines all the way to the end, and has a hole too, but the hole only goes an inch or so.
You can swap one to teh other, but it requires the input shaft, the reactionshaft/pump assembly, and valve body.
oh yeah, of course the converter is different too.
"If thats the way that you want it, well thats the way I want it more..."