I have been using AMSOIL Synthetic Diesel Engine Oil and the AMSOIL Dual-Gard By-Pass
Filtration System, along with used oil analysis, for nearly three years. My 1997
Mack CH613 had 176,000 miles on it when I began using AMSOIL motor oil and the Dual-Gard
System. At the time I bought this truck, the company I am leased to bought a number
of identical trucks for their fleet. All of these trucks operate in much the same
way, including operating environment, type of haul, etc. These trucks also have
a dash mounted digital display of the lifetime average fuel economy. At this time
my trucks average is 6.78 MPG, and the company trucks range from 5.8 to 6.2 MPG.
The difference between 6.78 and a fleet average of 6 MPG is over 11 percent. That
is significant savings, and the major difference here is I use AMSOIL and the company
trucks use conventional oil!
Currently, I have 412,000 miles on this truck, the last 236,000 without an oil change.
Both the full flow and by-pass filters are changed regularly, and at each 20,000
mile interval, an oil sample is taken to monitor the oils condition. Currently,
I have 412,000 miles on this truck, the last 236,000 without an oil change. The
oil analysis from Oil Analyzers, Inc. reports the oil is suitable for continued
use and the engine runs great.
Owner/Operator and AMSOIL Dealer