King Pin Inclination KPI?

[ilmostro]

Anyone know what the KPI is for a Rubicon (or any JLU?)

I'm having one of my engineers build a model so I can play with tire size, wheel width, offset, and backspacing so I can look at the effect on scrub radius.

I'm guessing it is 2-5 degrees but you know how anal engineers can be. :D

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[Tech Tim]

I just stuck an angle finder on a Dynatrac JL housing we have on the rack and it is right around 10-11°.

Which is about right, I know the old school D60s are in that same range.

 

[Tool Guy]

Might want to check this thread: https://www.jlwranglerforums.com/forum/threads/scrub-radius.26365/page-2

 

[AnnDee4444]

Might want to check this thread: https://www.jlwranglerforums.com/forum/threads/scrub-radius.26365/page-2

Beat me to it. Also this thread https://www.jlwranglerforums.com/fo...ation-and-scrub-radius-for-oem-rubicon.67894/

Apparently the JK is supposed to be 12 degrees. I'm not sure what the JL is, but it's likely pretty close.

 

[Yellow Cake Kid]

Here's an example of a generic D44 set up.

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