30 ish degree control arm 4 link - Pirate4x4.Com : 4x4 and Off-Road Forum
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Old 08-09-2016, 12:50 AM   #1 (permalink)
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Join Date: Oct 2004
Member # 37703
Location: Westbank BC Canada
Posts: 131
30 ish degree control arm 4 link

My long term hemi LJ project is moving at a snails pace.
I bought some 4 link frame backers for easy setup but ended up ditching them and building a genright style crossmember for the rear links for true double triangulation.

Initially I set the front of the lowers ( centre of crossmember ) at 22deg and fully welded her up went about my life tacking things in.

To get as much lower triangulation as possible I ended up tacking the axle ends as wide as possible (aam powerwagon axles so like 12" wider than a stock LJ 44).

This appears to have resulted in an approximate 30 degree attachment at the axle. As a result of that I'd already blow close to 10 degrees at the front end of the joint. So..... I took apart my crossmember to rejig the lower front mounts to give me some options.

the 4 link numbers it gave me at these angles are ok but where I Am concerned( and I haven't tacked it all up at 30 set to cycle it) is that can anyone foresee an issue like will I run into weird limitations during axle suspicion cycle running 30 degree link mounts.

Just a bit more data- 06 LJ, hemi, 40s, 2.5" 14" Coilovers. 108-110wb Setting up for 7 up/7 down, at ride height frame belly should end up 26-28", upper arms sloped down a few deg, lowers up 7 degrees. Lots of adj in separation on both ends from 10-12 rear and 5-7 front. 50" wide at axle bottom and 8" front lower. 4"-6 upper rear and 30-34 front upper.

Once this gets sorted I move up front....that should be equally fun I'm sure.
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