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Power Strokes
7.3 Tech
ZF6 -650 rebuild and other things I've done on my early 99 7.3 F350
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[QUOTE="Dave_Nevada, post: 1499444, member: 29749"] [b]WORN input shaft sleeve wear findings[/b] Min Max OD Sleeve Roller Bearing 0.811 0.812 0.813 Variance along wear area of sleeve 0.807 0.806 Wear amount total distance from Sleeve 0.004 0.005 From Bearing 0.005 0.007 As you can see, that's a very large gap between the bearing pins and the surface on the sleeve. It's just as I suspected, way the hell out of whack. In the machinery world, .005 & .007 total run-out is like the Grand Canyon in ratio. I don't have a repaired input shaft with a sleeve on it, so I could not check that. Bottom line: quit using needle bearings for the input shaft pilot. [/QUOTE]
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7.3 Tech
ZF6 -650 rebuild and other things I've done on my early 99 7.3 F350
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