Blue CPS?
I did read of one individual who reportedly tried it black, then blue, then black, then blue, and "thought" he could see a difference in performance, but wasn't completely sure. If you search the threads, this has been discussed several times, once in the past week even.
https://www.ford-trucks.com/forums/5...-5k-miles.html
https://www.ford-trucks.com/forums/5...highlight=blue
https://www.ford-trucks.com/forums/5...highlight=blue
https://www.ford-trucks.com/forums/5...highlight=blue
This is just a taste.....there are MANY, MANY more.






