Grizzly47 Posted March 16, 2015 Share Posted March 16, 2015 I am having shifting problems (limp mode) with my 91 TC auto trans 3.0 engine. After reading about the problematic A-604 transmission and considering I prefer a standard transmission I would like to swap out the auto trans for a 5 speed standard shift. I have read the article by Hemi Andersen's but his project was on an 89 4 cyl model. My question is can this be done on a 6 cyl TC and what transmission should I use?Thank You,John91 TC 3.0 Auto. Link to comment Share on other sites More sharing options...
MazingHL Posted March 16, 2015 Share Posted March 16, 2015 A543 is the transmission you want. Link to comment Share on other sites More sharing options...
Grizzly47 Posted March 16, 2015 Author Share Posted March 16, 2015 MazingHL,Thank you for your quick response.Thank you,John91 TC 3.0 Auto Link to comment Share on other sites More sharing options...
89TC-16V Posted March 17, 2015 Share Posted March 17, 2015 (edited) A543 is the transmission you want.543 5spd transmissions are most readily out of daytona, not as many 5spd 3.0 lebarons out there. not that there are too many out there. you are going to need the cables, shifter assembly, pedal set, and you would end up needing a bobble strut bracket welded to your k-frame for the 5spd bobble strut on the rear of the trans as an automatic i'm pretty does not have one on 4cyl, i'm gonna assume the A604 does not either because it does not experience the jerking motion a 5 spd can. daytona/ lebaron cables are the only ones that are the proper length from a 523/543/568 manual transmission. Edited March 17, 2015 by 89TC-16V (see edit history) Link to comment Share on other sites More sharing options...
Grizzly47 Posted March 17, 2015 Author Share Posted March 17, 2015 This is very helpful information for me. I would say my next step is to hunt down all the parts I will need.Thank you,John91 TC 3.0 Auto90 Miata 1.6 5Sp. Link to comment Share on other sites More sharing options...
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