Royal Purple. anyone using it?

JJeepyjohn

JJeepyjohn

Make Me Fries
Joined
Apr 22, 2006
Messages
3,807
Who has used it and what did you think about it?
What weight used,miles driven etc.
 
OK,.. Well I guess I'll be the first. I got 10W40 HPS. Im switching from running Mobil1 5W40
 
I wouldn't mess with it. The biggest thing I have ever done for my ford was use a Donaldson Endurance ELF 7405 oil filter. Believe it or not, both my father and I me ruined it had better throttle response. And most the oil system was new.
 
This oil has more zinc and other stuff like the old.oil used to before the low sulfur fiasco caused change in the industry. Royal Purple has other good oil that I have used and its still a full synthetic. So I'll give it a shot.
 
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