Has anyone used or had personal experience with royal purple oil. Ive read it gives a little hp. Is it noticible and worth the money?

 

Did I notice HP, NOPE. Does it run good, smooth, etc. YUP. Is it worth the money, well that depends on you. If you use only synthetic than it ain't much more expesive and run really well. If you just use dino and drive normally and change religiously before 3000 miles then not for longevity.

It is more resistant to sludge, high milage, etc...

 

Royal Purple is NOT a true synthetic. Not worth the money at all!!!!!

 

ive heard synthetic will cause a worn out engine to go to hell quick, ive heard 2 stories of engines filling with metal shavings after switching to synthetic with close to 100,000 miles
i use mobile1 synthetic oil, holds mine together pretty decent[&:]

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