hello all, question for you,, i have a 305 with a stamp on the passenger front engine pad of K071405F been told this is a 83 305 maybe out of a mid 80`s olds cutlass, transmission has 13 bolts that hold the pan on, pan is almost square with one corner cut off so to speak,,the numbers i have found on the trans drivers side are 8641711 just below this number is 10214-A can anyone tell me what year this tranny is or possibley what it may be from, i have been told it could be a buick 350 or an olds 350 or a chevy 350 trans im confused need some help here, it does have the TCC plug in on the left side, i have also been told this could be a turbo 250 trans,,,,,,,,,,,i have tried some internet searching but havent had much luck with ,,,,,,,,please help before i pullout what hair i have left,,,,,,,,,,thanks again