CalvinHeidenreich Posted May 13, 2013 Share Posted May 13, 2013 hey guys, I've recently come into possession of an s13 with the rb conversion and the auto box has pooped it, first off I've no idea why its auto but it is, so I'm going to press on with keeping it auto as the misses will probably want to drive it as well. could anyone here advise me on seeking a replacement box? I've heard the rb25det any would fit, if so what would need to be changed to make it work? I have no problem putting another 20 box back in and would probably prefer that as it would just be a straight out and in job and being a mechanic the last thing I want to do is work on my own stuff so any advice from you guys in the know would be much appreciated. I did have a go at the search but there are way to many irrelevant results Link to comment https://www.sau.com.au/forums/topic/425176-rb20det-automatic-transmission-replacement/ Share on other sites More sharing options...
CalvinHeidenreich Posted May 13, 2013 Author Share Posted May 13, 2013 meant to add if that id be tempted by the 25 box as its stronger and easier sourced and if anyone here in south east qld has a 20 box they'd like to sell please let me know Link to comment https://www.sau.com.au/forums/topic/425176-rb20det-automatic-transmission-replacement/#findComment-6849401 Share on other sites More sharing options...
Missileman Posted May 13, 2013 Share Posted May 13, 2013 20&25AT = same same Link to comment https://www.sau.com.au/forums/topic/425176-rb20det-automatic-transmission-replacement/#findComment-6849740 Share on other sites More sharing options...
CalvinHeidenreich Posted May 13, 2013 Author Share Posted May 13, 2013 so no difference in tail shafts Link to comment https://www.sau.com.au/forums/topic/425176-rb20det-automatic-transmission-replacement/#findComment-6849865 Share on other sites More sharing options...
Missileman Posted May 13, 2013 Share Posted May 13, 2013 (edited) I'm not 100% certain as I've never done a swap, try phoning MV Automatics, they have the best reputation in the country for nissan trannies I'm sure they can advise you. http://www.mvautomatics.com.au/ Edited May 13, 2013 by Missileman Link to comment https://www.sau.com.au/forums/topic/425176-rb20det-automatic-transmission-replacement/#findComment-6849899 Share on other sites More sharing options...
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