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Series I AT-Specific Performance Mods Discuss engine and transmission modifications for your AT equipped RX-8

4 speed to 6 speed

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Old 12-28-2008, 01:30 AM
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4 speed to 6 speed

is it possible to swap a 6speed a/t into a 4speed a/t
Old 12-28-2008, 01:30 AM
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ask Taja. anything is "possible"
Old 12-28-2008, 02:27 AM
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I did it for the lulz
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lol how possible do you think it is or do you think it'd be too much work for it to be worth it?
Old 12-28-2008, 03:01 AM
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not worth it. might as well have gotten the 6 speed in the first place.
Old 12-28-2008, 11:20 AM
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THe TCM's for the 4 spd and 6 spd are vastly diffrent. Also you will need the 6 spd PCM as afik no one has been able to bypass the communication between the TCM and PCM.

Short anwser. you can but its a pita.
Old 12-28-2008, 06:34 PM
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Originally Posted by nuke0907
not worth it. might as well have gotten the 6 speed in the first place.
I wish that was an option at the time but thanks anyways
Old 12-29-2008, 12:48 PM
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simple,

just follow this link.

https://www.rx8club.com/series-i-specific-performance-mods-97/mt-swap-151684/

beers
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