Typical preloads would be around 15-20 in. lbs.
Also you are not tightening the nut to 20 in.lbs,that is just the reading you need to have on the wrench to keep the pinion spinning after the crush sleeve is crushed.
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‘63 LeMans- ‘69 400 w/ original transaxle. 2.69 gears.
‘55 Catalina
‘62 Mercury Meteor-all original, bought new by my grandfather
71' GTO -original 400/4-speed/3.23 posi
13.95 @ 102.1 on street tires @ 4055lbs.-now my sons ride
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