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Pinion nut pre-load

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s550gtbase

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IMG_5198.jpeg

Yes the nut was staked. I literally just grabbed the diff with the ring, gave it a slight pull and it just fell out. I also noticed a lot of debris by the drain and fill plugs.
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Austin1992

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When I did the 10.25 in my truck I got the solid spacer from ratech.
 
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s550gtbase

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I did the opposite. Put resistance on the ring while turning the pinion. Saw someone do that on YouTube so I tried it. Now everything is disassembled. Once I put things together I will try your way. Much appreciated.
 

JohnVallo

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I set-up a 2019 Mustang Rear a couple of weeks ago, here was the patterns:

Drive Side:

2023-10-09-12-45-36.JPG


Coast Side:
2023-10-09-12-45-18.JPG
 

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s550gtbase

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Took some measurements of the crush sleeves and here is what I found:
New crush sleeve:55.34mm
Used crush sleeve: 54.86mm
Diff: 0.82mm = 0.032in which is much less than 1/16inch
 

boB

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If I ever have to work on my diff I would prefer to toss the crush sleeve and use the shim set to set preload. It would take more time and probably a few rounds of "install, check preload, remove, add shims...".
 
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s550gtbase

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If I ever have to work on my diff I would prefer to toss the crush sleeve and use the shim set to set preload. It would take more time and probably a few rounds of "install, check preload, remove, add shims...".
Is this where others have been referring to as a non-crush sleeve? I have been looking online for one that first the IRS but I am not able to.
 

K4fxd

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I have been looking online for one that first the IRS but I am not able to.
No one makes one yet. You would have to make your own.
 

bankyf

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No one makes one yet. You would have to make your own.
I've called every vendor I know of and nobody even seems interested in making one. The super 8.8 doesn't get much aftermarket love and I really don't understand why. With that being said... that crush sleeve is probably the toughest I have ever had to crush. It took a ton of torque. I don't see it having to much issue with losing preload.
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