single cardan vs. double cardan u-joint? Adjustable track bar compatibility? -
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post #1 of 2 Old 03-03-2007, 08:18 PM Thread Starter
Mr. Tarmac
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Join Date: May 2005
Location: SE
Posts: 201
single cardan vs. double cardan u-joint? Adjustable track bar compatibility?

I was looking at rear adjustable track bars on the JKS web site.

The notes for the track bars have these comments"

"4Vehicle must be equipped with CV-type rear driveshaft w/double cardan U-joint."

"7Vehicle must be equipped with slip yoke-type rear driveshaft w/ single cardan U-joint."

I've also seen RE's track bar brackets come in an angled for CV joints, and a straight version for slip yolk type. So my question is this: Why does the CV shaft require a different geometry track bar or bracket? The pinion angle is defined by the upper and lower control arms (which are fixed on stock TJ's). The track bar has no impact on this angle, so what difference does it make which track bar or bracket you use?

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post #2 of 2 Old 03-04-2007, 12:43 AM
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If you have a CV (or double cardan) rear driveshaft you have to change the pinion angle. (in order to do that you need upper rear adjustable arms). the track bar and bracket you mentioned are working great with the new angle. if you don't have cv shaft you don't need the "special" track bar or bracket.

2000 tj 2.5l 4.56 dana 30 aussie locker /super35 ARB, 35s maxxis crawlers, RE3.5sf, RE monotubes, 1"BL, currie anti-rock, currie steering, or-fab cage,ARB bull bar, warn m8000
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