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Ideas for bench repair fixture for r180 or r200 diff


RebekahsZ

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I'd probably make a plate with 4 bolts welded on it that could go through the 4 holes in the casting (vertically). Bolt the plate to your bench,and just set the diff onto the bolts (with spacers/ washers/ nuts as needed, and zip it down so it stays put.

 

Just an idea

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For painting of case, I took a furniture dolly and added some bracing and a 3/4" plywood platform.  These little platforms with casters are what I use for tire storage and for moving around engines and transmissions.  $15 from Harbor Freight.  Drilled (2) 1/2" holes in it for the diff cover studs.  Stood it straight up to allow me to paint the entire case without having to roll it around and paint one side at a time.  That saved me about a day of paint drying doing multiple coats. 

 

Plan for servicing the unit on the bench is (2) sections of 1/2" all-thread going thru the 3/4" plywood bench-top reinforced with big fender washers.  Photos when I have that built, Wednesday-ish.

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Got the fixture(s) made.  Whole purpose of this is to be able to swap the CLSD from one unit to another without wrestling the diffs around like a big fish in the bottom of the boat.  Attached are photos of the finished product.  If I could change anything so far, it would be to use 3/8" all-thread instead of 1/2".  1/2" fits perfectly and it makes it a bit of a wrestling match to get the diff pulled up off the all-thread studs.  3/8" would be a lot more forgiving of minor misalignment, but still get the job done.  Burnout photo is just self glorification.  Now to get the job done!

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  • 3 weeks later...

I made one out of 3" 3/16 angle and 2" 14 ga square tube. Clamped the tube to my workbench and bolted the diff with the pinion nut down. This let you work on the guts and made it easy to take back off the bench. Had a pic on here years ago when my LSD install post was new. No idea where that was hosted or what happened to those pics anymore!

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Not at all. The 3/16" 3" angle was bolted to the diff mount bolt holes. The 2" square tube was welded perpendicular to the angle and stuck out about 10". I then used long bolts and steel plate to clamp the tube down to my grate top welding table. Didn't want to go anywhere and hung off side of table with pinion pointed down and top of ring gear about chest height.

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