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comment_574835

Well shimming the r-180, backlash, pre load and wipe pattern took most of a couple days after work and most of a Saturday morning. I think I took it apart 20+ times. Finally happy with the wipe pattern. Luckily I didn’t have to change the pinion shim.  Edit: I think in a perfect world I would have had a special tool to set the pinion nut at the factory 125-150ftlb. Then used different shims to get the bearing pre load perfect.  But I had no way, so a couple of hits with the impact is what I used to set pre load, I found that info on here and a few youtube videos.  It's not precise at all, just hopeful the factory had it correct enough.  A bunch of site posts and a few guru told me to just reuse the pinion shim and move on.  Everyone basically told me backlash is the most important.  

Ended up with 5 thousandths for backlash give or take and then ring side backlash shim if .05 and other side of .07.  Total inch pounds is around 8-10 on the pinion. No carrier I had around 3 inch pounds for the pinion. 

This is worth paying someone to do. Just FYI. I had fun. But super frustrating.

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Edited by duffymahoney

  • 2 weeks later...

Finally got the ka trans. This is a low mileage (500) miles trans. Been sitting on the shelf since 1989.  I found it on some parts website. Vapor and some zinc and it’s looking amazing. 

 

Bell housing mods are being done Emerish racing. 

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