dirtmover wrote:
So, do you have any suggestions for an OK oil. I've been using Delvac 1 ESP 0W-40 for the specific reason that it has one of the highest ZDDP levels I could find.
I use Amsoil, but not what they show to use in their catalog that kisses up to the Chrysler specs but not VM specs. Chrysler wanted us to use Mobil 1 0W-40 and it looks like those who did are having issues. The true reason Chrysler recommended the 0W-40 crap in US/Canada was to kiss up to CAFE standards and get the mileage up, not to save the engine. For Europe and the rest of the world, they went with the VM specs. Who would you trust more, an Engineer who put his/her Professional Reputation on the line or some Detroit Bean Counter who is Pico-cent wise and Mega-Buck Foolish? I would trust the Engineer who put his/her name on the line!
Therefore, I use Amsoil AMO 10W-40
Before Castrol cut back their ZDDP, I used Syntec 5W-50 and even started at -15F with out plugging in and parked for 4 days at the airport. The Amsoil AMO 10W-40 has a lower pour point than the Castrol Syntec 5W-50, so starting is not a problem. When I used Rotella T-6 5W-40 I did not like the way my centrifuge sounded when I shut off the engine. Also, I did not like the way it felt when I put a few drops on my thumb and rubbed my index finger against it, not enough lubricity. Castrol Syntec 5W-50 had the lubricity but like the Rotella my centrifuge bowl had both sludge and soot when I cleaned it out. With Amsoil AMO 10W-40, I don't have sludge in the bowl when I clean it out, just packed carbon from the soot the centrifuge has removed. My engine is also quieter with the Amsoil AMO 10W-40 oil.
I don't know the additive specs on your Delvac but the specs for Amsoil are on their website and since the Amsoil website is purely technical and not "US Pro Conservative Politics", it should not be blocked by your ISP or Government

. My son lives in the Netherlands for his work, he matches up the specs and buys his oil by the 20L bucket.