From a '48-'51 shop manual:

Spring "U" Bolt Nuts

3/4, 1, 1 1/2, and 2 Ton 125 - 150 ft. lbs.

1/2 Ton 75 - 90 ft. lbs.

http://chevy.oldcarmanualproject.com/chevyresto/53131.htm

The U-Bolt diameter, 9/16" is the same for your '53 as '51, so torque spec should be the same.


Last edited by DrewP; 10/27/2010 6:46 PM.

Drew