jcthorne wrote:
mci7 wrote:
There are zero reasons to use the synthetic oils,
Like many sales ads, it is just a feel good thing, Having only used the Shell 15W-40 in all my Diesel engines, the vehicles wear out before the engines.
Do what makes you feel better. !
Dave M
If your trucks are wearing out before the engines, you need to take better care of your trucks.
He's right, the trucks do wear out before the engines. They get beat to death on the highways, and work 10 to 16 hours a day. Take a ride in a rig that has a million miles on it and see if you can hear.
