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Re: Drivetrain alignment and vibration
none are centered,
#1 due to steering shaft room
#2 it makes the drive line last longer, everything is off a little in severla direction down the line to make the drive shaft u joint last a long long time, if al lwas 100% centered and level, the bearings would sit in one spot and wear out, instead of rolling around inside.
#3 the need for #2, makes making room for #1 easier and made GMs life easier.
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