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  1. 99 F-250 Superduty Axles Builds & Projects
    My 1999 F-250 Front D50 needs an upgrade. There is a guy in my area selling an 1986 F-350 Front D60 and rear D70. Will the 86 front axle bolt right in my truck? Can i use my ring and pinion from the D50? (his is a 3.55 mine is 3.73) Is the D60 from 86 a "unit bearing"? I...