If you haven't had problems yet, you will. Id say your lucky as hell.. I dont know of any STOCK 7.3s that can go much above 3600rpm without something ***in up.
live life full throttle
IDK but the the truck has no knocking and/or unusual noises and no blowby not even smoke out of the oil fill 309,000 miles all original (motor wise) except for the injectors HPOP UVCH's Turbo fuel pump IDM. internally all original
Ford was amazed when they pulled the VC's and they said WTH. They said the engine internally looks like a 100,000 mile engine. its a build DEC 11 1998
Engine Build 0905180
is on its second trans replaced and installed on 1/11/11
160/100's injectors and UVCH and VC gaskets Swamps IDM installed at 305,767 8/24/13
GTP38R and T500 installed at 304,000 7/24/13
Walbro installed 10/03/13
Runs Valvoline Premium Blue 15W40 or Mobil Delvac 15W40 ford oil and fuel filter changed every 6000 miles
Turns 3600 RPM daily on swamps 200 % nozzle drag tune on the Hydra