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Great thread..

It's what I've been using in my Diesels for almost 20 years without any trouble. Also it's not just the Delo that seems to be rare these days. It's all brands. In fact, Costco, who was stocking pallets of Kirkland brand diesel oil, is out. So my point is that I was thinking about stocking at...

I was thinking about buying an additional 3 gallons of Delo 400 SDE, not so I can hoard it, but to have just in case I find myself in a position where I need to change the oil, and can't find any. This problem with this is that I don't drive my truck much and only need to chnge the oil about...

Same here in So Cal. I went to two different Walmarts, and two Auto Zones before I found Delo 400 SDE. One of the guys who works at Walmart said it sells as fast as they can stock the shelves. I suspect that whats going on is much like what happened with tiolet paper and ammo. Scalpers are...

Thank you very much for this information. I'm sure that most of you are more experienced with this than I am...

I tow long distances about 2 times per year. Other than that I drive the truck only for errands around town about once a week. I'm concerned about the DPF clogging, and I hear that Delo 600 helps prevent DPF clogging. Is this true. and is it a good lubricating oul as Delo 400 was?

Is Delo 400 SDE synthetic? I didn't think it was. If it is, I should probably stick with Delo. Is the 600 ADF much better ?

2015 2500 HD Duramax

BTW if Delo 600 does actually assist in preventing DPF clogging perhaps I should focus on that. the reason being is that I don't drive the truck very much and most driving is for semi-short errands. I tow long distances only once or twice a year..

So is this considered a better alternative than Delvac 1300?

Guys - I've been using Delo 400 for years without any trouble until now. The problem I have with it is that it's very hard to find, so I was wondering if Delo 600 is a better option, and if so, what are the differences. I'm also considering switching to Delvac 1300. It seems to be more readily...

I have a couple of questions here - I can't find Delo 400 either. I've been using this for years. Is there a big difference between Delo 400 and 600. Because of availability I'm considering switching to Delvac 1300 Super.