i think i just got screwed on ebay. bought a t5 that came out of a 92. the input shaft is smaller than that of the old tranny i pulled from my 87 gt. i checked out some sites. i looked at some websites and i'm sure its a world class according to some number marks. did they make world class trannys for 4 cylinder mustangs? the identification tag isn't there. ofcoarse those numbers/letters didn't do any good when i tried to look them up on my 87 tranny. any suggestions?