Freedom is not free
Join Date: Sep 2007
Location: Sioux Falls, South Dakota
Re: Royal Purple?
You can get the same or better wear metal results on a used oil analysis report with Schaeffer's 15W-40, Schaeffer's 5W-40 synthetic - Chevron Delo 400, or Rotella 5W-40 synthetic. I believe Delo 400 and Schaeffer's are much less expensice than Royal Purple.
2003 F250, Wildman tunes, Faubion trns, Swamps 175/146 SS,van turbo/WW, DI Intercooler, oilguard bypass, intank & pre-pump, reg return, Firestone air bags, Bilsteins, 350 HP/692 TQ
2000 Excursion- Pwrd by: T Wildman 6 pos chip, CT Performance Suspension, Riffraff Diesel Performance, J&M Tranny, 4" MBRP, 6637 filter, intank/prepump mods