Quote:
Originally Posted by jjzepplin
Just measured one rotor and the caliper says 1.18in.. Used up 1.25? Pretty rusty probably cannot turn them. Haven't checked specs. So do I have the heavy duty? Abso freakinlutely love this site !
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Yes,... I would say those are 71-87 HD rotors.
Calipers, rotors, bearings and the spindle itself are either HD or Light Duty.
Some 81-87 trucks had the Light Duty rotors.
Some has the HD rotors.
Just tell the auto parts store guy your truck is a 73, and you will get HD rotors and non-metric calipers.