Last report can be found here on a 5,300 mile OCI: HERE
Blackstone/their analysis suggested to go longer and the results are below of a 7,000 mile OCI.
Truck hasn't been pushed too hard for a 3/4 ton. A few long trips, several 25 mile highway trips to work. Pulled a few car trailers and other light loads on this oil.
Delo 400 15W40 and Wix oil filter. Wix Air filter and fuel filter also. Almost 5 months on this sample. I use PowerService winter/summer additive on most tanks of fuel. No makeup oil-it doesn't appear to consume any noticable amounts.
Truck has an edge/attitude programmer set mild (levels 1 to 3 of 5, makes an additional 75ish rear wheel horsepower over stock).
I'm thinking I may try 9k-10k next sample.
Blackstone/their analysis suggested to go longer and the results are below of a 7,000 mile OCI.
Truck hasn't been pushed too hard for a 3/4 ton. A few long trips, several 25 mile highway trips to work. Pulled a few car trailers and other light loads on this oil.
Delo 400 15W40 and Wix oil filter. Wix Air filter and fuel filter also. Almost 5 months on this sample. I use PowerService winter/summer additive on most tanks of fuel. No makeup oil-it doesn't appear to consume any noticable amounts.
Truck has an edge/attitude programmer set mild (levels 1 to 3 of 5, makes an additional 75ish rear wheel horsepower over stock).
I'm thinking I may try 9k-10k next sample.