Quote:
Originally Posted by NZ XR6
It is difficult to understand why the engine manufacturer (Peugeot) recommends a C2 oil and Ford doesn't.
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Exactly.
From what I gather, low HTSH fuel efficient oils provide a similar level of wear protection, but cost more to make,
due to the additives required.
Connection between HTSH and engine wear looks complicated.
Not just a matter of thinner oil etc.
Being a skinflint, I figure I would not save enough on fuel to warrant the extra cost.
Another complication (for philosophers) is anti wear additives and DPF ash.
There's an oil on the shelves with 'full zinc protection' advertised on the container.
Zinc forms an incombustible ash (metal oxide), as do other wear additives; comntaining Calcium, Magnesium and others.
Ash formed by these additives are unique, melt at different temps etc, and are more or less easy to remove from DPF.
The engines I run burn very little oil, so I don't care.
Nulon C3 oil uses zinc, according to the MSDS, but I've no idea what the consequences might be for DPF.
I use Nulon C3 when it's on special at $80/10l.
I run two of these cars so it makes a difference to my pocket.
I'm very happy with my cars, they have been reliable and a pleasure to drive,
biggest problem is lack of credible information, or customer support.
It's great, this interest in oils and DPFs, there's not much else going wrong.