1985 CJ7 Automatic Transmission Swap Question

I want to put a TF999 automatic transmission into my 85 CJ7 258 I6. I know the TF999 trans from any CJ7 with a 258 and up to i believe the 1991 YJ will work, but will the TF999 or 32RH from the 4.0 work from the slightly later years? I've read that the only difference is is the lock up torque converter for the 92 and later years. Any advice is greatly appreciated.
 
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