Mobil One vs Royal Purple
OK I change my oil today on my Ford V-10 3 valve, I decided to try another brand than Mobil One, I switch over to Royal Purple 5-20 and used their oil filter, so with that said while sitting here doin...
Forum Discussion
10forty2 wrote:
I've been running Royal Purple in my Harley for the past 10 years and never a problem. I use 20W-50 for crankcase and primary chain case, and 75-150 for transmission. When I change the fluids, they are clean...unlike other brands I tried before. No metal flecks, little carbon buildup and still smells like it came out of a new bottle. The engine temp runs cooler overall and gas mileage increased about 2-5mpg. I've never used it in my MH but am considering changing from Mobile 1.
All of this is pure subjective conjecture. Nothing wrong with that, by the way. If that is what you want to believe, then good for you. But this is conjecture, not fact.
