Recent content by TopPhrenologist

I've heard good things about Liqui Moly products generally, but I can't seem to find anyone on this forum that uses Liqui Moly in a PowerStroke (or any diesel truck for that matter) even though Liqui Moly is on Ford's approved list. Is there a good reason for it, or is it just because there are...

Totally understand about the block heater. I have one and I plan on using it. Your comment about 0W being less shear stable is really what I was trying to get at. Does that mean that over time the 0W-40 oil will start to behave like a 5W or 10W-30? I assume it's not quite that simple...

"Do the Italians not know how to build a reliable........" No, they don't know how. ;)

I just picked up a 2023 6.7 Powerstroke diesel and am trying to learn as much as possible to keep this engine a long, long time. I live in a northern state where temperatures below 0F are common in winter, but it's exceptionally rare to see temperatures below -20F. The user manual states that...

OK, I'm dragging up an old thread because this is the closest I could find to the question I have, and I'm not yet allowed to start new threads. In the table for recommended oil weights for the 6.7 Powerstroke, they suggest 10w30 for "normal usage," which is down to 0 F. Then, for higher...