F-250 6.7 PowerStroke Oil
I have a 2015, F-250, 6.7 Diesel and want to know what oil most people are using? Manual says CJ-4, 10W-30 regular use, 5W-40 when towing. I asked dealer at last oil change whether I should change to ...
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I'm at 96k miles running T6 Rotella. I did run 1 oci using 10w30 delo synblend and my truck actually dropped a little in fuel economy so I switched back to T6.
