Here's the EASY way to break your rusted rotors loose.

The skinny is to use the mounting holes from the caliper anchor bolts, a bolt and a nut, with a washer between the bolt and the caliper. Use the nut as an anchor and tighten the bolt until it begins to push the caliper off. Back it off and rotate the rotor 90 degrees and repeat. Do this until you walk the rotor off.

You WILL have to really torque down the bolt to get the caliper to budge sometimes. Mine snapped loose and it sounded like a gunshot. Scared the Jeebies outta me...

Cheers!