[AT] B&S engine oil

[John Dunlap]

i used to run Shell multivis in my turbo air cooled engine snd never had any trbl. Head temp about 600 degrees.

>From John's iPhone

On Nov 10, 2012, at 11:15 AM, Mike Sloane <mikesloane at verizon.net> wrote:

I have been using 15W-40 diesel rated oil in all of my 4 stroke engines, 
from B&S lawn mower engines to 65 hp tractors, and I haven't lost an 
engine yet in 45+ years. With a dozen different tractors and untold 
number of OPE machines, I just cannot be bothered to stock a dozen 
different engine oils and figure out which oil to use in which machine. 
But, as they say in the car ads: "your mileage may vary".

Mike

On 11/10/2012 3:42 PM, Len Rugen wrote:
> Supposedly, the viscosity modifiers in multi grade will break down
> quicker in air cooled engines because they run hotter.
> 
> 
> On 11/10/2012 2:05 PM, John Maddock wrote:
>> Noticed yesterday in a shop which sells B&S stuff: a sign saying "Use
>> *only* monograde oil in your B&S engine.  DO *not* use multigrade oils"
>> 
>> Why? Anyone know?
>> 
>> Which Oil Demon will get me if I use multigrade?
>> 
>> JV
> 
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