I took out the rear diff now to make some measurements. The pulleys don't look worn at all, but I tried wrapping a new belt around the pulley and the pulley is just a smidgeon too small for the belts. The diameter of the pulleys is about 0,4 mm smaller than they should be, just like the front pulley. The pitch of the Schumacher pulley is actually 2mm. Could be wear, but I don't think so. the profile is rounded, so the center meshes better, but is still not perfect.
The used MMS diff I got seems to be the right pitch.
Last edited by tahustvedt; 13-10-2014 at 11:49 PM.
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