I RECENTLY PURCHASED THIS TRUCK WITH THE AGREEMENT THAT THE TRUCK QUALIFIES FOR THE FORD EXTENDED WARRANTY PROGRAM. I CONTACTED THE ORIGINAL OWNER OF THE TRUCK AND HE STATED THAT FORD REPLACED THE HEAD GASKETS IN THE 50K RANGE. HE ALSO GAVE ME A SCT PROGRAMMER WITH CUSTOME TUNES. K&N INTAKE AND MAGANOFLOW 4" EXHAUST. I HAVE NOTICED THAT COOLANT BLOWS OUT OF THE COOLANT CAP ONLY WHEN IT IS UNDER LOAD. THE TRUCK NEVER RUNS HOT THOUGH. HELP, HELP, HELP....