Originally Posted by dragon slayer
I wouldn't use something that roughens the metal surface. Use glass. If the pully Vee is badly rusted, might want to pick a different pulley. I bead blast them and wire brush the Vee (with bench grinder). Paint. Paint in V will rub off with belt.



I sandblast/glassbead pulleys completely, have been for decades, paint the entire thing, the belt will remove the paint with no ill effects to either, powdercoating is the only process that causes issues...