YEP MICHAEL HAS IT ON THIS ONE WITH THE CUTOFF WHEEL, WITH THE FLYWHEEL BEING A RECESSED STYLE , JUST GET A SMALL AIR GRINDER AND ABOUT A 2 INCH WHEEL ,NOT A GRINDING WHEEL, GET THE LITTLE CUT OFF DISC AND CUT A GROOVE ALL THE WAY ACROSS THE HEAD OF THE BOLT, IF AT ALL POSSIABLE CUT TWO DIFFERENT DIRECTIONS AND THEN USE A CHISEL TO BREAK THE PIECES AWAY , YOU WILL PROB HAVE TO PRY THE PRESSURE PLATE AWAY FROM THE FLYWHEEL AS THE PILOT PINS USUALLY HOLD PRETTY TIGHT SO A COUPLE OF PRY BARS SHOULD DO IT , AND WHATEVER YOU DO, DONT GET UNDER THAT TRUCK WITH OUT SOME GOOD GOGGLES THAT WRAP ALL THE WAY AROUND THE SIDE S OF YOUR FACE WHEN YOU ARE GRINDING.. JERRY