[AT] Synthetic Oil

Jason dejoodster at gmail.com
Sun Nov 13 08:04:40 PST 2016


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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