RP XPR 5w-30 12-20-07

[johnbottilaw]

Moly 130

bor 4

sil 4

na 3

cal 2838

mag 7

phos 1105

zinc 1993

59.6 210

10.10 100

tbn 12.1

 

[Pablo]

The Zn ratio looks odd. Lots of Zn, but in what form?

 

[buster]

Tbn is really high also.

 

[badtlc]

It seems like all Royal Purple oils have a high TBN regardless of whether or not they are racing oils.