True about the diesel oils, but it's nothing I have to worry about on my
federal system.  No o2 sensor and no catalytic converter.

On Mon, Mar 12, 2018, 6:59 PM Dennis Haynes <d23haynes57@hotmail.com> wrote:

> Some miss information here. Diesel engines, (compression ignition) and
> Gasoline engines (Spark ignition) have some very different requirements.
> Older Diesel engines especially when Diesel fuel had much higher levels of
> Sulphur (500 ppm), required oils with a high TBN to neutralize the
> Sulphuric acid created from the Sulphur and  water vapor along with
> detergents to keep soot in suspension so it can be filtered out. The
> additive packages in these oils are detrimental to catalytic converters and
> oxygen sensors. 2007 and later Diesels require the now current low Sulphur
> fuel, (<15 ppm) and different oils due to them also having catalysts and
> other NOx reduction equipment. As such some of those later oils are
> suitable for gasoline engines.
>
>
>
> As for some of the thoughts on high zinc oils Mobil 1 15w-50 is a higher
> zinc oil for hot rods and the like so it is an excellent choice for our
> engines, yet at levels not so high as to destroy our cats and O2 sensors.
>
>
>
>
> Dennis
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
> ------------------------------
> *From:* Vanagon Mailing List <vanagon@gerry.vanagon.com> on behalf of S
> DaRoota <sdaroota@GMAIL.COM>
> *Sent:* Monday, March 12, 2018 5:24:59 PM
> *To:* vanagon@GERRY.VANAGON.COM
> *Subject:* Re: 20/50 full syntetic motorcycle oil
>
> I hope it wasn't for a Wet Clutch (motor cycle oil)
>
> Also FYI, if you have an old setup, it may CLEAN your seals/seams out from
> any gunk, and cause your seals to leak oil if they are old.  A rebuild can
> handle synthetic, but a old engine with old seals will leak 90% of the
> time.
>
> I prefer Lucas Magnum  ( Lucas SAE 15W-40 Magnum High TBN CI-4 Oil)  as it
> has the right ZINC additives as well to reduce wear.  This oil is
> advertised as a Diesel oil which makes no difference really.
>
> On Sun, Mar 11, 2018 at 9:38 PM, thewestyman <zolo@foxinternet.net> wrote:
>
> > I bought this oil because the burning temp. is much higher than ordinary
> > oil, because my van is an air-cooled one.
> > Any thought on this by anyone?
> > Zoltan
> >
>