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Old 09-03-2010, 07:11 AM   #1
Join Date: Sep 2010
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Best option for reducing rear pinion angle?

I just replaced the leaf springs and shocks on my '93 Wrangler and the U-bolt kit contained new shims that were much smaller than the ones that I replaced. After I bolted it all back together, there is a slight binding when fully extended and I already have a spacer kit installed to lower the transfer case. The question I have is whether it is better to install larger shims or lower the transfer case more?

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Old 09-03-2010, 08:10 AM   #2

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Best option is to install a slip yoke elliminator (SYE) and a longer CV drive shaft if you haven't already done so.

Nothing is foolproof to a sufficiently talented fool.
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Old 09-03-2010, 09:45 AM   #3
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TC drop and shims are the least expensive solution. If you already have the TC dropped then just get some steel shims for now. As Fweaky stated SYE and new DS is the BEST solution. I have the TC and shims installed currently but have a spare NP231 that will be fitted with an Advance Adapters kit over the winter and then measured for a new CV driveshaft. I am lucky because I have no vibrations at all with the drop and shims. Only doing the SYE to raise the TC back up.
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Old 09-04-2010, 09:27 AM   #4
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Thanks guys. Sounds like the SYE will be a fine winter project.
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