Nov 13 07- 76 Royal Triton QLT Semi Syn 15W40

[D-Roc]

Mileage on truck: 81359 km
mileage on oil:8528 km
Fluid and filter NOT changed
2006 Dodge 3500 Cummins w/ Amsoil BMK-11 bypass
Type of mileageP: mostly city, some highway. Lots of stop and go, short trips, lots of idling.
Lab used: CAT oil lab, Edmonton, Alberta
Oil was in truck from 29 Sep07- 12 Nov 07
AFE stage 2 intake
Power Service and Howes as fuel additives
Wear metals are as follows:
Fe-11
Cr-0
Ni-0
Si-5
Al-3
Pb-1
Sn-0
Cu-1
Na-4
K-6
B-71
Ag-0
Mo-2
Mg-174
Zn-1354
Ca-3468
Ba-0
P-1177

other:

ST-8
OXI-16
NIT-7
SUL-21
W-N
A-N
F-N
V100-14.3
V40102.8

Overall I am pleased with this sample. This is the first sample with my bypass on, and seems to have dropped my soot count. Last sample was with Delo 400 15W40 and soot was 16, whereas it is now half that.
My only question is in regards to the secondary numbers like soot and OXI- how are these measured? is it parts per million, or measured differently?

 

[D-Roc]

Also, the Royal Triton seems to be a good choice for those who like a 15W40, but want some decent low temp characteristics and high tbn as well. Can't complain about the price either. Also with the way I run my truck sometimes (high rpms on highway, low geared) the wear looks pretty good.

 

[Harley Anderson]

Looks good, no more fe spiking.

 

[D-Roc]

It must be alright- couple days now and very few replies.