Use http://www.kanolabs.com/google/ or PB blaster http://www.acehardwaresuperstore.com/blaster-pb-penetrating-catalyst-p-6870.html?ref=42 to loosen up the rust.Let it soak & apply a few times.
Then use a good pair of vise grips,with sharp teeth,not some cheap knock off vise grips. The larger the better IIRC 10" is the larger size? http://www.google.com/products/catalog?r...ed=0CDwQ8gIwBQ#

MBHD


12 port SDS EFI