In a message dated 5/15/2010 11:36:17 P.M. US Mountain Standard Time, Sethracer at aol.com writes: I don't think the 66-up shop manual lists one either. Seth Emerson The 1966 manual lists...Axle Shaft Retaining bolts at 15 Ft. lbs. These U-joint Strap bolts Regards, Bob Helt