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Boardbysled's Budget Buggy Build
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<blockquote data-quote="boardbysled" data-source="post: 1568250" data-attributes="member: 18596"><p>A little tech on the Nissan WD21 H233b rear axle third members. (Gasp! I know, Nissan tech!) There are two bolt patterns for the third member studs/bolts. The early H233b's use 8mm? bolts and the later pattern use 10mm studs. The patterns are not interchangeable.</p><p></p><p>I started with a older style third member and a later style housing. My third member had the correct gearing and a locker and I am better at fabbing then diff work so here is what I did.</p><p></p><p>First you have to remove 4 studs shown. None of them line up with the diff pattern.</p><p></p><p><img src="http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_170150_zps9naaraip.jpg~original" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Then weld up the holes for these studs. The holes are very close to overlapping with the holes you will need to drill, so you will have to weld them up. Go slow and don't add a ton of heat to the housing and you will be fine. Try not to build the weld up too much because you will just have to grind it flat.</p><p></p><p><img src="http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_173739_zpslmtyhx6t.jpg~original" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Drill the holes on the third member out to 10mm. Install the third member and mark the missing hole locations. I used a tight fitting center punch. Remove third member and drill & tap holes. Studs are 10mmx1.25 pitch. You need an 8.5mm drill bit for this size tap. Studs appear to be tapered, but the main method of alignment is the third member to flange.</p><p></p><p><img src="http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_182530_zpsunme4dpb.jpg~original" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Then install studs and rock out! Short side of stud goes in the housing. Don't forget locktight! I am replacing the bottom stud with a bolt because I deleted the drain plug from my housing.</p><p></p><p><img src="http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_184231_zpsjuswo2rd.jpg~original" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p></p><p>Hope that helps someone. Really wasn't that bad of a task.</p></blockquote><p></p>
[QUOTE="boardbysled, post: 1568250, member: 18596"] A little tech on the Nissan WD21 H233b rear axle third members. (Gasp! I know, Nissan tech!) There are two bolt patterns for the third member studs/bolts. The early H233b's use 8mm? bolts and the later pattern use 10mm studs. The patterns are not interchangeable. I started with a older style third member and a later style housing. My third member had the correct gearing and a locker and I am better at fabbing then diff work so here is what I did. First you have to remove 4 studs shown. None of them line up with the diff pattern. [IMG]http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_170150_zps9naaraip.jpg~original[/IMG] Then weld up the holes for these studs. The holes are very close to overlapping with the holes you will need to drill, so you will have to weld them up. Go slow and don't add a ton of heat to the housing and you will be fine. Try not to build the weld up too much because you will just have to grind it flat. [IMG]http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_173739_zpslmtyhx6t.jpg~original[/IMG] Drill the holes on the third member out to 10mm. Install the third member and mark the missing hole locations. I used a tight fitting center punch. Remove third member and drill & tap holes. Studs are 10mmx1.25 pitch. You need an 8.5mm drill bit for this size tap. Studs appear to be tapered, but the main method of alignment is the third member to flange. [IMG]http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_182530_zpsunme4dpb.jpg~original[/IMG] Then install studs and rock out! Short side of stud goes in the housing. Don't forget locktight! I am replacing the bottom stud with a bolt because I deleted the drain plug from my housing. [IMG]http://i1325.photobucket.com/albums/u636/boardbysled/Mobile%20Uploads/20180729_184231_zpsjuswo2rd.jpg~original[/IMG] Hope that helps someone. Really wasn't that bad of a task. [/QUOTE]
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