2-Stroke Oil: Break-in & Best Practices

I expect to receive my 130HP PD unit within the next few days, and of course, I want to use it.
I need to break it in properly, as it's my first diesel car.
I had only driven gasoline cars before.
A colleague told me that he used to add one liter of two-stroke oil to each tank of diesel in his older vehicles, saying it was an old trick.
Has anyone had similar experiences? Can anyone give me some advice?
I've already checked the FAQ section, but it doesn't provide enough information.
Who is better suited for gentle break-in and who is better suited for a more aggressive break-in?

So, let's properly break it in :

I would say it's best to drive at a normal speed, somewhere between 2000 and 3000 RPM.
Do not rev the engine above 3000 RPM under heavy load (full throttle).
and also not revving the engine too low, below 2000 RPM.

Regarding diesel, I would say use regular diesel (with a cetane number of 49 or higher) and don't add anything to it .

That's how I've broken in my diesel cars, and so far, those are two brand new cars.
And they all run perfectly and are incredibly quiet!

Please correct me if I've written something nonsensical here.

Two-stroke oil . I'm laughing my head off... I've never heard that before. I'm certainly no expert, but that tip is really cool. I assume that this measure is more likely to be detrimental to the cat (catalytic converter). Moreover, two-stroke oil also forms deposits on the valves, etc. However, with one liter per tank , nothing will happen. It certainly won't do anything good, it's more likely to cause harm. Please correct me if I'm wrong...

Go Trabbi, go...

Sure!

Two-stroke oil is really bad for the catalytic converter. I almost forgot about that! I wouldn't have known if I hadn't read it now.

Back then, when I was a motorcycle mechanic, we took catalytic converters out of motorcycles every day because they got clogged with oil sludge.

Hello neudiesel,

Okay, this is my fifth new TDI car, and I only put diesel in it. Otherwise, I agree with wuze60. Perhaps with the caveat that I'll keep the engine speed a little lower for the first 500 kilometers.
However, no matter how hard I try, I can't imagine what could be better lubricated in a PD engine by adding two-stroke oil. In fact, I could even imagine that it might be worse, not to mention what you'll end up emitting.

Matthias.

PS: I'm currently driving a PD with 130 horsepower... it's a good choice, even though you often hear negative things about it. However, I've only driven it for 18,000 km so far.

I've been thinking about this two-stroke oil again. If I remember correctly, every operating manual for TDI engines states that "NO" additives "of any kind" are allowed to be added .

Okay, if I had to run a "Lanz Bulldog" engine, we could talk about it, but with a highly modern engine like the PD, I think it would likely cause damage.

I definitely wouldn't do that.

Wishing you lots of fun with your new car!

Peter from Graz.

Since when have there been two-stroke motorcycles (scooters?) with catalytic converters?

Hi!

Do NOT put two-stroke oil in the fuel tank. Among other things, it will change the viscosity of the diesel fuel, and this will increase the amount of diesel injected due to reduced leakage in the fuel injection pump, which is essentially a form of tuning.
Die PD-Elemente reagieren sicherlich nicht erfreut über so einen Saft. Sogar Biodiesel kann Schäden hervorrufen, was in den älteren Verteilereinspritzanlagen nicht so schlimm ist. AlKeep away!
I would recommend breaking it in by keeping the RPMs below 2,500 and using gentle acceleration. You'll see, with that kind of driving, you're not necessarily going to be slow...

Best regards,
Uwe.

I add 2T oil to my old BMW before I put it away for the winter. It's a fuel-injected engine, and after it's been driven and then turned off, the fuel evaporates, leaving behind a very thin film of oil that protects the fuel injectors, valves, and other components from corrosion.
I've heard that trick about using additives for diesel engines before, although it's usually with regular motor oil. I find your dismissive comments about how it's no longer necessary for our supposedly modern TDI engines to be exaggerated. You should just take a look at how many TDI engines are failing due to pump damage; that didn't happen as often in the past!
Well, a little lubrication can't hurt, right? After all, the fuel itself hasn't changed much, but the injection pressures have increased tenfold...

"And that's exactly the problem; he wants to buy a TDI with PD technology. If he had one with VP technology, it might still be somewhat manageable. But I definitely wouldn't do it. I know that a liter of oil diluted in 55 liters of diesel is a very small amount, but that's also part of the problem. Why even bother? Besides the potential damage to things like the catalytic converter, the owner's manual explicitly states that only diesel fuel should be put in the tank."

Deleted upon request.