[AT] Synthetic Oil

[Dave]

Hi Dick, I would think that synthetic oil has not been used in any of the engines you list, except perhaps the Husky. If so, I don’t think it would be any better than 10W/40. From what I’ve been told/taught over the years (beginning way back when multi-“weight” oil was first being used by more and more people) the 10 indicates that the oil would be about the consistency straight 10 “weight” when cold and the consistency of straight 40 “weight” oil when it get’s hot. That’s probably over simplified, but at least I did/do understand it—which is worth a lot!
	Dave
PS, You might want to ask the Husky dealer WHY you should use synthetic in that engine. 
PPS, You might also take a look at http://blog.briggsandstratton.com/synthetic-vs-conventional-oil-what-do-i-use-in-my-small-4-cycle-engine/ <http://blog.briggsandstratton.com/synthetic-vs-conventional-oil-what-do-i-use-in-my-small-4-cycle-engine/>

> On Nov 13, 2016, at 12:20 AM, Dick Day <dickday0 at gmail.com <mailto:dickday0 at gmail.com>> 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
> 
> On Sat, Nov 12, 2016 at 10:56 PM, Dave <rotigel at me.com <mailto:rotigel at me.com>> wrote:
> 
>> I have never used anything but 10W-40 in any of the various small engines
>> I’ve owned over the past 40 years and never had a bit of trouble with any
>> of them. Why would you want to use synthetic oil in any of the engines you
>> have?
>>        Dave
>> 
>>> On Nov 12, 2016, at 7:18 PM, Dick Day <dickday0 at gmail.com <mailto:dickday0 at gmail.com>> wrote:
>>> 
>>> I apologize if this has been discussed recently, I searched my ATIS
>> folder
>>> and couldn't find any prior posts.
>>> 
>>> I have 6 small engines here and they all seem to call for different specs
>>> of oil.  I would love to be able to find one that would work in all of
>> them.
>>> 
>>> They consist of
>>> 
>>> Generac 15hp generator (13 years old)
>>> Husqvarna articulating lawn tractor w/Briggs 20hp (4 years old)
>>> Champion 389cc pressure washer (new)
>>> Deutz Allis garden tractor (26 years old) w/Kohler Magnum 16hp
>>> Craftsman push mower (10 years old) w/Briggs 6.75hp
>>> TroyBuilt walk-behind sickle mower (22 years old) w/Briggs 5.5hp
>>> 
>>> The manuals for the above all spec the best type of oil to use during
>>> winter and summer, and I am stocking 5w-30, 10w-30, straight 30 weight,
>> and
>>> 10w-30 synthetic for the Husqvarna.
>>> 
>>> Does anyone offer any type of synthetic that could be safely used in
>> these
>>> engines?
>>> 
>>> I am guessing that the answer will be no, but thought I would ask :)
>>> 
>>> As always, I really appreciate Spencer making this resource available.
>>> 
>>> Thanks!
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>> 
>> 
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