HELLO EVERYONE. I AM IN WYOMING AND MY CAT 15( WESTERN STAR 2001, 10 SPEED) BROKE DOWN.DROPPED A VALVE. BROKE A PISTON IN CYLINDER 2. THE PETERBILT SHOP IN ROCKSPRING,WYOMING, GAVE ME AN ESTIMATE OF $25 000 TO REBUILD THE ENGINE. JUST THE CORE CHARGE OF THE HEAD WAS ESTIMATED OF $4320.ANY...