RP using moly again?

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RAM_Designs

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I just checked out a UOA over at bitog for some RP 5w40 that was posted up just last week, and the UOA showed 285ppm of moly in there and a TBN of 5.3...after 12,200 miles!

Has anyone heard of RP putting moly back in there stuff?
 

Burla

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Whatever, clearly they as a company aren't committed to a unformed formula. Could have also been old stock. It is substantially more PPM then they used to have at 180ish, so way too many question marks here for me. I love their filters though.
 
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RAM_Designs

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Well, I found another one at bitog that was just posted...looks like RP is using moly again.

"Oil used Royal Purple HPS 5w-20
Total miles: 27,716
Miles on Oil: 7,716
Make up Oil: 0

Aluminum 5
Chromium 0
Iron 12
Copper 4
Lead 0
Tin 1
Molybdenum 109
Nickel 1
Manganese 1
Silver 0
Titanium 3
Potassium 4
Boron 10
Silicon 9
Sodium 360
Calcium 3242
Magnesium 13
Phosphorus 1177
Zinc 1408
Barium 0

Comments: This is an excellent first report for your Mazda. Universal averages show typical wear levels for this engine after about 6,000 miles on the oil. You went a bit past that point, but the engine didn't notice. The viscosity is fine for 5w-20 and the TBN is 5.1 showing active additive remaining for a longer run. Low insoluble and silicon show fine oil and air filtration. Try 10,000 miles on the next oil."


Now if only I could find a recent UOA on some of the 5w30...
 

Burla

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That's not their API cert stuff, but that looks like good oil.

VOA 5w30 no moly.
 
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