W wirelessF Joined Oct 4, 2007 Messages 1,606 Location Oahu, Hawaii Dec 9, 2007 #1 A very high TBN from the start. It could be good for extended OCI's above 10,000mi. What do you guys think?
A very high TBN from the start. It could be good for extended OCI's above 10,000mi. What do you guys think?
buster Joined Nov 16, 2002 Messages 38,315 Location NJ Dec 10, 2007 #2 The last few RP reports I've seen show very high TBN. This also looks like a true SM formula.
Pablo Joined Oct 28, 2002 Messages 60,677 Location Everson WA - Pacific NW USA Dec 10, 2007 #3 Interesting use of Mg. I wonder if it's part of an overbased additive system? Bring on the UOA's!
W wirelessF Thread starter Joined Oct 4, 2007 Messages 1,606 Location Oahu, Hawaii Dec 11, 2007 #4 Originally Posted By: buster The last few RP reports I've seen show very high TBN. This also looks like a true SM formula. On the bottle it shows it's an SL oil.
Originally Posted By: buster The last few RP reports I've seen show very high TBN. This also looks like a true SM formula. On the bottle it shows it's an SL oil.
A artificialist Joined Sep 23, 2007 Messages 8,598 Location Florida Dec 11, 2007 #5 I have never seen a single bottle of Royal Purple that was API SM approved, and I always look at the backs of oil bottles when passing through stores.
I have never seen a single bottle of Royal Purple that was API SM approved, and I always look at the backs of oil bottles when passing through stores.
buster Joined Nov 16, 2002 Messages 38,315 Location NJ Dec 11, 2007 #6 Well, if this VOA is any indication, the bottles are wrong. It's SM. Look at P/Zn.
B badtlc Joined Jun 8, 2006 Messages 5,443 Location KC Dec 14, 2007 #7 RP 5w40 is their only API SM oil. According to both the RP site and the API license directory, that is still true. This 5w20 is SL.
RP 5w40 is their only API SM oil. According to both the RP site and the API license directory, that is still true. This 5w20 is SL.
B badtlc Joined Jun 8, 2006 Messages 5,443 Location KC Dec 14, 2007 #8 Originally Posted By: toytundranator A very high TBN from the start. It could be good for extended OCI's above 10,000mi. What do you guys think? Easily. Here is my UOAusing RP 5w20 and 7500 mile OCI. It is a very robust 5w20.
Originally Posted By: toytundranator A very high TBN from the start. It could be good for extended OCI's above 10,000mi. What do you guys think? Easily. Here is my UOAusing RP 5w20 and 7500 mile OCI. It is a very robust 5w20.