Originally Posted By: Garak
You've probably seen how they now have a separate "commercial HDEO" line, which coincided nicely with them getting a CJ-4 lubricant on the market.
yea..looks like RP Duralec is really the only diesel rated oil in its lineup and is really intended more for big trucks and tractors. Although, I wonder if the application design could be used for my car. Meaning..Is there a difference in using oil that's labeled "Heavy Duty Diesel" vs. "Light Duty Diesel"
Originally Posted By: aquariuscsm
Originally Posted By: HerrDiesel
Thanks for the feedback Gun. Funny you mention M1 15/50...that's what's being used now and the report from Blackstone mentioned that--albeit barely--the viscosity was a little low for a 15/50 grade. It also mentioned a significant amount of iron, so I wanted to look around at some different products. Another question, is there noticeable difference between the T5 & T6 grades?
Looking for something that will last. The car will sit from January to late June, then I'll be driving it out to Arizona and will be there for 4 months (all through that Arizona summer). Never lived there but I know it gets HOT!!
Post the uoa of the 15W50 in our uoa section here.
Sure...i'll dig through my inbox and put it up.
Originally Posted By: 2cool
T5 is a semi-synthetic, and T6 is a full synthetic. I tried RP once in a car, and didn't think it was anything special. Not bad, but not a revelation. The Rotella products are designed for a diesel, and have proven themselves around the world. It's my vote.
Thanks 2cool...that seems to be the consensus. I'm leaning toward Rotella, the base had some on sale as well so even better!