Mikey Posted October 13, 2013 Share Posted October 13, 2013 I bought this gearbox yesterday for my 260 auto conversion It was advertised as a 260z gearbox But The bell housing says L4 NMCA And NMCA 1# on the gearbox. Just wanting to make sure it's not a s13 box or something. Thanks Mikey Quote Link to comment Share on other sites More sharing options...
1600dave Posted October 13, 2013 Share Posted October 13, 2013 I have a box with the same markings fitted to my old 1600. It came out of a Bluebird. I believe NMCA = Nissan Motor Company Australia and L4 = L-series bellhousing, so could be out of anything aussie-made and fitted with an L-series engine (ie not a zed) Quote Link to comment Share on other sites More sharing options...
Mikey Posted October 13, 2013 Author Share Posted October 13, 2013 Hmm.. So I guess it won't work without changing the bell housing and mounts? Maybe I'll post some pictures after I've cleaned it up if it helps to identify Quote Link to comment Share on other sites More sharing options...
Riceburner Posted October 13, 2013 Share Posted October 13, 2013 Take some measurements of the length, aren't the L4 boxes shorter than L6? Quote Link to comment Share on other sites More sharing options...
Mikey Posted October 13, 2013 Author Share Posted October 13, 2013 No it is the longer box.. 775mm I think. Quote Link to comment Share on other sites More sharing options...
1600dave Posted October 13, 2013 Share Posted October 13, 2013 If its an l-series 5 speed, it will bolt up to the rear of an L26 no dramas. The only 5 speeds that are shorter are Stanza and R30 skyline. 180B SSS and Stanza 5 speeds are a lighter-duty box (also have a "dogleg" shift pattern). The only real differences between a bluey 5 speed and a 260Z one is the ratios and synchro type. Quote Link to comment Share on other sites More sharing options...
Mikey Posted October 13, 2013 Author Share Posted October 13, 2013 ok.. so do you think the mounts will be the same? and also am i able to but the standard 225mm 260z clutch thanks again for the info.. Quote Link to comment Share on other sites More sharing options...
dat2kman Posted October 13, 2013 Share Posted October 13, 2013 You'll need a flywheel, four cylinder L20B are 200 mm diam clutch, six cylinder L can be 225 mm or (rarer) 240mm The box you describe is a common Lseries 71B type box, fitred to Bluebirds, 1970-1980's Skylines, later 260/280 z or zx's. Your crossmember should be fine, the auto mount may be different to a manual box type. Quote Link to comment Share on other sites More sharing options...
NZeder Posted October 13, 2013 Share Posted October 13, 2013 I would have thought the easy way to tell is sandwich plate between the 2 halves of the gearbox. A 71 series (be it B or C - excluding the A as that is 3 piece design) has a steel plate between the 1/2s but the 63 series (aka 4 cylinder box) does not have a steel sandwich plate. Quote Link to comment Share on other sites More sharing options...
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