DIY negative rear camber

#1
Guys does anyone done a diy negative camber, I put wheel adapter 1 1/2 inches I rolled my fenders but still rubbing coz' I'm low 2.25 dropped both sides and I've done research the rear suspension/ rear axle is welded to zero camber so theres no camber kit -_- wondering if anyone did something to get a camber thanks I heard washers/shims will do good but can please anyone do a tutorial step by step w/ images if can please thanks
 
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