NOBODY CARES HOW OLD YOU ARE OR WHAT YOU WOULD OR WOULD NOT BUY SQUIRREL.EVERY NON AFM 5.3, 6.0 OR 6.2L ANYONE IN MY FAMILY HAS OWNED OR STILL HAS ARE WELL OVER 100K. THE POST WAS TO SAY THE VALVE TRAIN IS GARBAGE AND PRONE TO FAILURE AT 1000 OR 100,000 MILES.IF A TRUCK HAS TO HAVE THE FACTORY DESIGN ALTERED TO BE DEPENDABLE IS IT REALLY A GOOD TRUCK???