Just tried that Royal Purple 5w30 Synthetic oil for my L with good results...engine seems to be running smoother and gained an extra 5psi on my oil pressure.....

 

What did you switch from? I'm wondering if it's worth the switch over the RP 5w30 from my current Mobil One 5w30...

 

switched from Havoline 5w-30 regular oil, was used for break in for last 6 500 mile interval oil changes.....

 

switched from Havoline 5w-30 regular oil, was used for break in for last 6 oil changes.....

 

switched from Havoline 5w-30 regular oil, was used for break in for last 6 500 mile oil changes.....

 

So you switched from Havoline 5w-30 regular oil?

 

Yea, just trying to break in motor, changed oil about every 2 weeks for about last 3 months or so ,just to be safe with new motor and get a good break in....I went through so much oil that its hard to say exactly how many times I changed it...because it takes 10 quartz to change my oil.....but like my old man said "oil and grease are cheap but motors arent"....