Originally Posted by 5sdad
Originally Posted by ironbender
Seems silly to me to pay the premium for syn oil, only to drain it after 5000 miles.


Oh, but what is the cost of that compared to the cost of new engine? grin

I change the oil in my ‘95 Taco and the wife’s ‘01 Sienna @ 5000 miles, but use Dino oil.

Powerstroke gets syn blend and changed by the IOL monitor, about 7000 miles.

If you take the time it takes, it takes less time.
--Pat Parelli

American by birth; Alaskan by choice.
--ironbender