You mean DieselClean? https://powerservice.com/psp_product/diesel-kleen-cetane-boost/A bottle of Powerservice around every 10 - 15k to clean the injectors.
I use 1oz per gallon of 2stroke oil from(walmart supertech) in my 2nd gen truck
What are you guys using in your 3rd gens ? (mine '05)
Thought I read some ratio mix of 2 stroke oil and ATF.... what is the ATF for?