Doc....thanks for the info man, i preciate it!! one thing i am unsure of.....how can i identify the 61????

the owner pulls the parts at this junkyard, not myself. is there any particular year or model truck i can tell him to get the rear from and be certain itll be a Dana 60?? thanks, CHIP


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax