With 300,000 miles on the clock, everything needed to perform an overhaul in his possession, and a background in diesel mechanics, Ken Houston tore the 7.3L in his early ’99 F-350 apart before subjecting it to 500 hp and 1,000 lb-ft on a regular basis. During the rebuild, he would add ARP main studs and a Melling low-pressure oil pump, weld the cam gear, and install ARP head studs, shimmed Comp Cam’s 910 valve springs, and Smith Brothers chromoly pushrods.