I can't tell by looking at the pics, I've always just grabbed the drive shaft & shake & twist it to feel for any loose motion in the u-joints.
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2000 F-250 SCLB 2wd 7.3 auto PHP stock-65t-80dd-120race-high idle-no start 4"tb exh, wicked wheel, 3 guages, AIS, coolant filt,
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