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The mkiv Supra Owners Club

Any aftermarket LSD assembly thread on here ?


WayneW
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Hi,

 

I would like to assemble my OSGIKEN LSD in my n/a open diff, I'm quite curious to see if I'll get the job correctly done or not, I've always heard this is a quite tricky job ?

 

 

Do anyone have any good link (thread, YouTube, …) about this ?

 

 

 

Cheers !

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I just exchanged an open diff with a new LSD unit in my ancient Ford Mustang and did look seriously at whether to build a new diff myself or buy one in ready built that would just bolt in place. I elected in the end to go for the fully assembled diff assembled by a back street racing outfit in Kentucky that was ready to fit for many reasons, namely; I had never built a diff before, I didn't have the equipment to set the preload torque and backlash that would cost £60 for cheap Chinese tools that I would likely only use once. Diff experts were quoting me £200 to build (+ parts) and £250 to build and fit. It was one of the easiest decision I ever made to have a ready to fit unit sitting by the car ready to fit that is now in the car and works well.

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I've done pretty much everything on the drivetrain/suspension side of the Supra myself but brought the diff to a specialist to install the TRD unit. You need some very specific pieces of equipment to do it correctly. The main thing is measuring the "drag" of the pinion when you're tightening the nut and crushing the washer. As well as the equipment needed to measure backlash and the ability to "read" the paint markings on the gears correctly. I'm not saying it's impossible but it's going to require a lot of money on tools, patience and trial and error to get it truly correct.

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I don't think specifical knowledge is really necessary, general precision mechanical knowledge and patience, the Toyota Book is well done… I think all the steps have to be well studied before doing anything.

 

Pics to come in the next days =)

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