Synthetic Oil?

NickSteel

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Can (or should) I use synthetic oil in my Craftsman 20411 zero turn (Briggs & Stratton 22hp)?
 

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JohnFM

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I went to Mobil 1 full synthetic for everything years ago. Somewhat pricey, but a very good oil.
 

broo

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In my Toro owner's manual, it specifies what oil to use under which recommended temperatures.

If between cool and warm, 10W30, warm to hot : straight 30.

However, synthetic 5W30 or 10W30 can be used all across the temperature scale.

I'll first deplete whatever 10W30 I have, then switch to synth.
 

mhavanti

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Hughes Oil Company, Inc. Was in the petroleum industry from 1961 until 2004. We carried every brand and type of petroleum to even non-petroleum food industry lubricants. We still have a hand in the petroleum industry although we retired the company due to children and grand children too damned lazy to work for a living. lol

Point being, there is no engine created by man that requires a full synthetic lubricant. It is a good joke originally played on the British and US public that has made so much money it has carried around the entire globe.

Without going into chapter after chapter of stating and then showing why, I'll give you a one word reply just like some others.

"No".

There is nothing your engine requires to live a long comfortable life than a non ash oil such as the Shell Rotella T 15-40 which engines over 12,000 horsepower operate on daily in locomotives, huge earth moving equipment, etc. Fuel cooled engines do not place the strains on engine oils the aforementioned can and does. Only thing you'll need to be concerned with is unspent fuel contaminating your engine lubricants since fuel as well as air cools your engine.

Sorry fellas, synthetics are made to sell to ***** and you can make up your own jokes on those 5 asterics. lol

Max
 

7394

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I know the Shell Rotella T-4 (15w-40) has 1,200 ppm of ZDDP in it (according to Shell Rotella tech) which is great for flat tappet & air cooled engines, & carries the JASO MA & etc ratings.
 

mhavanti

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You are absolutely correct and at one time the first company to advise their distributors they were adding synthetic to the base during the refining processes. It was to create a faster viscosity change not to be slicker as synthetic claims go today.

You all may find this interesting as well.

https://rotella.shell.com/warranty.html?gclsrc=ds
 

7394

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Good read, Thanks, I have a different link, but same info. :thumbsup:

The T-4 in 15w-40 is only one I believe has the JASO-MA, & MA2 rating for.
 

Boobala

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I added some of this at my last oil-change and my engine looks 3 years younger .......

111 OIL.JPG

20a6980289a7a60364a23f462ad7ed16--smiley-faces-emoticon.jpg
 
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