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91 tbird 5.0- tranny help need advice

2K views 0 replies 1 participant last post by  5point0birdman 
#1 ·
i have a 91 5.0 tbird...its got 109k on it...lately my tranny has been slipping evry shift....its really been acting up. i checked the trans fluid and it was dark and overfilled...seems like the guy who had it before me had it overfilled....i just drained half of it today and am about to go pick up some new mercon 5 oil to put in....i also picked up some Gunk Trans-Medic to put in....anyone have any extra advice on what i should do?...is putting new oil a good idea?...does anyone kno if the trans medic really works?.....also i purchased a B&M shift kit not too long ago and still havent put it in yet...someone told me that the shift kit follows with later on tranny problems....anyone got advice on this?....should i install the shift kit?....some one help plz....thanks :driver:
 
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