Dave-ve Posted May 28, 2011 Share Posted May 28, 2011 Hi guys, I recently purchased an automatic 81 280zx but the gears are not shifting and I want to do a manual conversion. Problem is that there are very few manual transmissions available where I live (Trinidad WI). The L18 and L20 gearboxes are easier to obtain and I've read almost all the threads related to the L series gearboxes but I still have some questions. Will the L18/20 box work on the l28 engine? Can the bell housing off the L18/20 be used on a CA/SR/RB swap? Thanks, Dave. Quote Link to comment Share on other sites More sharing options...
josh817 Posted May 30, 2011 Share Posted May 30, 2011 It will bolt up to a L28 but I don't think an SR/CA/RB. If you are spending the money, you could get a KA tranny which is stronger if you machine the bell housing to fit the larger bearing. I'm working on a Datsun truck and from what I have read, concerning their 5 speeds, I think they have a short and a long case 5 speed. This may cause a problem as far as drive shafts are concerned so just double check the length. Quote Link to comment Share on other sites More sharing options...
Dave-ve Posted May 31, 2011 Author Share Posted May 31, 2011 Thanks for the reply. Unfortunately we did not get the KA motors here. Will go hunting around and take some measurements. Quote Link to comment Share on other sites More sharing options...
djz Posted May 31, 2011 Share Posted May 31, 2011 As long as the gearbox is a long box it'll work fine. The bellhousing off either a long or short box will also be fine for use on a 71C gearbox (SR/RB/CA). Quote Link to comment Share on other sites More sharing options...
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