input shaft ?
 

Is the tremec tko the same trans for the 79-93 as the 94-95? I know the input shaft is longer on the stock sn95 trans, but what about the aftermarket TKO? Do you have to order one special for the sn95's?

I believe all TKOs have the same length input shaft. You just use an earlier bell housing on the 94/95. That's how it was with my 3550, too.