Recent content by barnbridge

Pablo, yes, these all started as 5W-40, went from Rotella to Mobil 1. The Mobil 1 seems to hold up better to shearing in the Navistar 6.0L PSD than the Rotella.

Just got back my Blackstone UOA on my 2004 PSD. Everything looks great but the levels of Boron and Magnesium are much higher since I switched from Rotella 5W-40 to Mobil 1 5W-40. Are these 2 elements part of the additive package or is something going on in the engine. See UOA here...

I've been using Wolverine model 16 250 watt oil pan heater for 3 years on my F-250. It's wonderful. The engine purrs even on very cold mornings. I wired the oil pan heater and the block heater cords together and attached them to a Marinco socket that mounts into the bumper. They are on a timer...