Oil sample testing!

[hunt3636223]

I just got my first sample back from Blackstone on my deleted 6.7 Cummins.  I always change at 5K because I am OCD about my truck but they said everything looked fantastic so try 7K OCI and see how it responds. 130K on the motor

[Mudman]

I just got my first sample back from Blackstone on my deleted 6.7 Cummins.  I always change at 5K because I am OCD about my truck but they said everything looked fantastic so try 7K OCI and see how it responds. 130K on the motor

Cool, saving you money!  $100 savings next 35k miles..

[b23]

Just got the test results back from Blaskstone on my wife's car.  I use Royal Purple Full Syn in her car and go 15K before I change it.  They said all looked good and to keep doing 15K on my oil change intervals.

[Mudman]

Mine came back and they said it was very good.  The Amsoil dual filter is working extremely well and oil is holding up better than advertised and the motor is in very good condition based on wear of 54k.  Little to no soot particles present in oil which is WOW in these year Cummins.

[Buzz2401]

My 03 Tacoma is at 394K so I'm afraid what I might find.

Don't be I had my Toyota checked at 300K and from their analysis motor was in great shape.