[AT] Synthetic Oil

[Stephen Offiler]

That's a fair point, Jason.

SO


On Sun, Nov 13, 2016 at 11:04 AM, Jason <dejoodster at gmail.com> wrote:

> Not much need for zinc in a small engine because the valve spring tension
> is so low.
>
> On Sun, Nov 13, 2016, 7:38 AM Cecil Bearden <crbearden at copper.net> wrote:
>
> > I had forgotten about the need for ZDDP in the small engines. The cam
> > followers are just flat metal.  I have a box of Lucas oil ZDDP
> > additive.  Will start using it.  I will note that I made the mistake of
> > mixing Lucas break in oil additive in my 2 cycle gas/oil mix once.   It
> > was one of those things you do when in a hurry and not using glasses to
> > read the label.   Both bottles were the same design just thew writing
> > was different.   The engine ran about 10 minutes then died.  No real
> > harm done, it just shorted the spark plug from the deposits on the
> > electrode.   The engine was on one of those 2 cycle pumps that Northern
> > Hyd sells.  Still runs just fine..
> >
> > Cecil in oKla
> >
> >
> > On 11/13/2016 6:38 AM, Stephen Offiler wrote:
> > > I run oils labeled "Motorcycle Oil" in all of my small gasoline
> engines.
> > > These oils are the older SF/SG service rating, which has signficantly
> > more
> > > ZDDP additive than the most modern oils (service rating SN).  ZDDP is
> an
> > > extreme-pressure sliding-friction additive that was removed because it
> > > clogs catalytic converters.  There are certain motorcycles, for example
> > BMW
> > > boxer twins, that require SF/SG and they will wear cam lobes more
> rapidly
> > > if modern oil is used.  Typically found in 10-30, 10-40, and 20-50.  I
> > use
> > > 10-40 in everything but if it gets really cold the 10-30 would be a
> > better
> > > choice.  As for synthetic, probably no reason for it.  Synthetic flows
> > > better at extremely cold temperatures (like for example -10F)  and
> > resists
> > > breakdown at extremely hot temperatures (like for example in small
> > > turbocharged engines).
> > >
> > > SO
> > >
> > >
> > > On Sun, Nov 13, 2016 at 5:40 AM, Steve W. <swilliams268 at frontier.com>
> > wrote:
> > >
> > >> Dick Day wrote:
> > >>> Dave, as you can tell, I know nothing about motor oils.  The little
> bit
> > >>> that I've read and heard, leads me to believe that synthetic oil is
> > >> better
> > >>> for the engines.  I am currently using synthetic in the
> > Husqvarna/Briggs
> > >>> because the dealer I ordered it from suggested that when I did the
> > 5-hour
> > >>> oil change that I replace it with synthetic.
> > >>>
> > >>> Is there a reason to not use it?
> > >>>
> > >>> Thanks
> > >> If you do regular oil changes conventional oils are fine. I run
> > >> conventional 10W-30 in most of the small engines, I run 15w-40 in the
> > >> diesel.
> > >>
> > >> I run synthetic in both generators because it seems to work better
> when
> > >> very cold.
> > >>
> > >>
> > >> --
> > >> Steve W.
> > >> _______________________________________________
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> > >>
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