.02 is good enough. The RR is always maxed out before the LR in my experience in regards to camber, but I've been maxed at -2.9 on RR and -1.9 on LR for over a year now, toe is set to .01 and the tires are wearing evenly.

the camber maxed out is due to the rear control arm and/or lower ball joint being worn out.

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards