240hoke Posted October 28, 2008 Share Posted October 28, 2008 Hey, I had several of yall inquire about the L28 bell housing dimensions to aid in designing of other transmission adapters. Here are the deminsions that I used to make my adapter for the L28 side. These measurements were taken by CMM from a Nissan 5 spd transmission bell housing, so they are as accurate as the factory castings can be. All the points are referenced from the center of the input shaft bearing bore. I have found the dimensions to work VERY well with my adapters. I would ask that if you use these dimensions to make any parts other then for yourself that you donate some money to the site. This is the bolts, dowel pin, and starter location looking at the engine from the rear: 1 Quote Link to comment Share on other sites More sharing options...
Dayz Posted October 28, 2008 Share Posted October 28, 2008 Nicely done Austin, How did you measure this, with a "3d dimension" machine or by yourself in a sort of way? Thanks Dayz Quote Link to comment Share on other sites More sharing options...
zcar? Posted October 28, 2008 Share Posted October 28, 2008 Sweet!!!!! Quote Link to comment Share on other sites More sharing options...
240hoke Posted October 28, 2008 Author Share Posted October 28, 2008 Thanks, I just updated the info in the thread. They are by CMM, which is about as accurate as you can get. Hopefully you guys can come up with some other sweet tranny combos! Quote Link to comment Share on other sites More sharing options...
PredatorZ Posted September 4, 2015 Share Posted September 4, 2015 A question on the drawing posted above, what is your starting reference point...center of crank I am assuming, I might repost a slightly revised version which works off of center of crank and zero degrees at top of drawing, not having a square starting point is a bit strange for me Quote Link to comment Share on other sites More sharing options...
skirkland1980 Posted December 14, 2019 Share Posted December 14, 2019 Can you repost the photo? It's not found. Thanks. Quote Link to comment Share on other sites More sharing options...
dogmeatk Posted September 3, 2023 Share Posted September 3, 2023 Looking into verifying the below and adding the lower holes, will upload when complete Quote Link to comment Share on other sites More sharing options...
dogmeatk Posted September 5, 2023 Share Posted September 5, 2023 I decided to measure the bellhousing plate instead. Attached are my measurements. I machined up a test plate and it fits great. L28 Bellhousing Plate Measured.dxf Quote Link to comment Share on other sites More sharing options...
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