TREMEC OR T-5Z ??????

[stng87]

OK I NEED TO GET THAT AOD THE HE11 OUT OF THE STANG AS SOON AS I GET BACK FROM AAMCO AND REPLACE IT WITH A MANUAL. MY QUESTION IS THIS:
IF THIS GUY STILL HAS IT, I CAN GET THIS TREMEC3550 FOR 700 WITH ALL IT TAKES TO GET IT INTO AN ALREADY MANUAL STANG.
THERE IS ALSO A SWAP MEET THIS WEEKEND IN COLUMBUS AND I ESTIMATE THAT I COULD GET A T-5Z TRANNY FOR AROUND 900. I STILL HAVE TO GET ALL THE OTHER PARTS FOR THE CONVERSION.

I HAVE THE 4.10S SO I WAS THINKING THAT THE "z" MIGHT BE THE WAY TO GO WITH THE TALLER RATIO SINCE IT GETS A LOT OF DRIVING.
HOWEVER 700 FOR THE TREMEC IS A DAM GOOD DEAL BUT HAVE HEARD A LOT OF BAD CRAPP ABOUT ITS SHIFTING. ALSO CAN THIS SHIFTING PROBLEM BE FIXED WITH THE PRO5.0 SHIFTER? SOME HAVE DONE THIS WITH MUCH IMPROVEMENT.
THANKS. MODS BELOW

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1987 black with t-tops. Cobra intake, 1.7 cobra crane rollers, gt40p's, bbk shorties, off road h-pipe, adj. FPR, rebuilt aod w/shift kit, 65mm TB, 4.10's 12.90's at best