Thread: NOS Ford 5.14 Gears... Rare or Not So Rare ???
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Old 08-07-2012, 07:10 PM
  #8  
markdunlap
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The shims are pinion support spacers to adjust the pinion gear depth. Standard depth was 1.031" from the centerline of the axle and standard shim was .020'. It would be etched into the back end of the pinion gear on aftermarket sets.
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