Engine oil

[Allan Sanders]

I have QSB6.7 550 hours.
They have had Shell Rotella T4 15-40 oil since new i was thinking about changing to rotella T6 full synthetic 5w-40 are the T5 which is synthetic blend 15-40.
Any body have any thoughts about using these oils.
Thanks

Topic

[Allan Sanders]

thanks for reply’s

[Bill Desmarais]

Allan Sanders wrote:

I have QSB6.7 550 hours.

They have had Shell Rotella T4 15-40 oil since new i was thinking about changing to rotella T6 full synthetic 5w-40 are the T5 which is synthetic blend 15-40.

Any body have any thoughts about using these oils.

Thanks

Allan,
save your money and stick with Rotella T4 15w-40w…wste of mony using syn/blend IMO

[john]

I’m curious to the reasons why you want to switch? To me you don’t see any failures due to a oil related failure. Meaning wear it out because of the type of oil you use. I had someone try to tell me shell rotella t is a better oil than chevron. Apples and apples. Spend your money on your cooling system a good exhaust and service the engine on a good maintenance schedule and your engines will be happy for a long time. All that on good ol dino oil.

[Author]

Replies