Schaeffer teamed up with Ranken Technical College to find out how a customer's million miles Ford 5.4L gasoline engine looks after running exclusively on Schaeffer Oil.
The experts were shocked to see the condition of this workhorse. Even the engine's main bearings still had the manufacturer's original numbers inked on them.
Les Holm, Head Dispatcher, runs 20-25 vehicles daily. To safely extend drain intervals, Les relies on Schaeffer's oil analysis program.
Hear the challenges of transit companies and how he overcomes them from Les himself.
