perfecseal Posted May 12, 2005 Report Share Posted May 12, 2005 OK i just bought a 91 grand prix se 3.1 auto .. the tranny is bad and needs to be replaced.. It is a 4t60 what cars and engin packages came with this transmision.. I went to the local junk yard and they were NO help trying to tell me that only the grand prix 3.1 in 90 and 91 will work.. I know thats not true..So I did a search and I dident find a cross refrance list so some help would be nice.. thanks in advance Quote Link to comment Share on other sites More sharing options...
sonyman87 Posted May 12, 2005 Report Share Posted May 12, 2005 I think a 89-93 will work after that they went to an electronic shift control in 94+ hence the "e" in 4t60e. If you can find any 4t60 it will work. now i know where was a different one for the 89-90 TGPs used a 4t60 but designed for turbos? transmission gods please step in and verify Quote Link to comment Share on other sites More sharing options...
mfewtrail Posted May 13, 2005 Report Share Posted May 13, 2005 I think a 89-93 will work after that they went to an electronic shift control in 94+ hence the "e" in 4t60e. If you can find any 4t60 it will work. now i know where was a different one for the 89-90 TGPs used a 4t60 but designed for turbos? transmission gods please step in and verify Grand Prix's got the 4T60-E in 1993 w/ the 3.1, I'm not sure what other W's got them in 93, but I'm pretty sure the Luminas didn't. The 4T60 from a TGP will work in his car, the only difference is a few stronger parts are in it, so it might last longer behind a NA 3.1/take a little more abuse. Quote Link to comment Share on other sites More sharing options...
Brian P Posted May 13, 2005 Report Share Posted May 13, 2005 get a TGP tranny or '91-92 non electronic, they're the same, and the "strongest". Quote Link to comment Share on other sites More sharing options...
JS91Z34 Posted May 18, 2005 Report Share Posted May 18, 2005 my 91 has 4T60E written on it :? Quote Link to comment Share on other sites More sharing options...
5speedz34 Posted May 18, 2005 Report Share Posted May 18, 2005 And you have a Z34 right? All Z34/3.4 cars got the 4T60-E. While all the 3.1's up to 92 got the 4T60, so 93+ was the 4T60-E. Quote Link to comment Share on other sites More sharing options...
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