Well the oil system is the same one that the Prostock and superstock tractors use instead of 150lb of pressure we have backed down all the way to 50lbs, for n e one looking to do it, its not easy were in the process of building one for tadds 6.0 its takes time and patientce but its worth it, fuel system is an areomotive "special made" pumping 8gal a min and injectors are "hybrids" all i can say at the time, built by tadd also all work has been done and done well by josh woodruff, if ur looking for parts or someone to build one like mine pretty much if u live west of miss. river contact Tadd and if u live east of the miss. river contact Woodruffdiesel. Also if theres n e pulls this summer u guys know about or would want to see the "freak of nature" at please let me know and ill do my best to come there.