[mzk502]

My 80K and 90K reports. In hindsight should have started day one.
EGR replaced second time before 80K mark. This oil change( by same folks every time) oil was as close to the mark as possible next morning and clear/ non gritty.

 

[Brokedownbutgood]

Sample 12,13,14 are the same run of Amsoil 5W-40 synthetic DEO. Sample 15 is Valvoline 15W-40 premium blue none synthetic. Sample 16 is 5W-30 Amsoil series 3000 full synthetic. Sample 16 was taken cold which I normally never do.

 

[shawclan5]

15 looks like the winner....how long of a run?

 

[Brokedownbutgood]

15 looks like the winner....how long of a run?

There was 7300 miles on that ran

 

[shawclan5]

Have 9,500 on Valvoline 5w40 sitting in garage waiting for me to send. Their 15w40 results look stout for those miles. Makes sense given we could go 15,000 on the 5w40s.