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Thread: Shimming Diff?

  1. #1
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    Shimming Diff?

    Hello, I was wondering how many shims I need to use for my differential. The internals were stripped after my last run, so now that I opened it up and replaced the gears, I need to know how to shim the gears. Thanks in advance.
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  2. #2
    RC Turnbuckle Jr. O.G.'s Avatar
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    Locate the two smaller gears above the main diff. There is where the shims go. As I recall there is 1 each and I put them on the drivers side, one shim to a gear.
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  3. #3
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    Okay, good that's what I also did. Thanks for the help
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    Anza Slash VXL
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  4. #4
    RC Turnbuckle Jr. O.G.'s Avatar
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    Are the old shims gone or damaged?

    Sent from the cockpit of my Jeep Wrangler
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  5. #5
    RC Turnbuckle Jr. rag6's Avatar
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    Are you using the associated slipper?
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  6. #6
    RC Turnbuckle Jr. harry697's Avatar
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    Pretty much every magnum trans needs to be shimmed a little different than the next. Most likely just due to inconsistent tolerances in the trans cases. Sometimes it requires assembling and disassembling the trans several times to get it right. And most of the time, it won't be perfect. You need to find the sweet spot with the least side play in the diff and top shaft without any binding when the cases are fully tightened.

  7. #7
    RC Turnbuckle Jr. rag6's Avatar
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    Yup^^^ You have to pay even more attention when using the AE slipper and strc top shaft, as the top gear and pin are not pressed in like the stock top shaft, and I thought you were running that setup on your anza
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  8. #8
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    Quote Originally Posted by O.G. View Post
    Are the old shims gone or damaged?

    Sent from the cockpit of my Jeep Wrangler
    No, the shims are still intact. I just wanted to learn why and how to use the shims for future reference.
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    Anza Slash VXL
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  9. #9
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    Quote Originally Posted by rag6 View Post
    Are you using the associated slipper?
    No, I'm just using the stock set-up for now. What are the advantages of the associated slipper? Does it just offer more tuning options?
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  10. #10
    RC Turnbuckle Jr. rag6's Avatar
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    It is a more solid 48p spur gear, with a finer adjustment, and more consistent slipper. I would first try and correct the current gearbox issue before complicating things with the ae/strc setup though.
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