How often to change oil on the new 20K oils - Snowblower Forum : Snow Blower Forums
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post #1 of 20 Old 12-02-2018, 10:48 AM Thread Starter
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How often to change oil on the new 20K oils

Hi all. One of the major oil mfgrs now has 20,000 mi oil. How does that translate to snowblower use based on three or four storms a year, OK maybe ten. How many seasons do I get before an oil change?
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post #2 of 20 Old 12-02-2018, 10:56 AM
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I'm no expert on oil, but I don't think you can equate 20,000 oil for a car to a snowblower.

Small engines do not run as clean as automotive engines, so any oil in a snowblower would get dirty. Follow the snowblower manufacturers directions as to how long to go between oil changes, at LEAST as long as the warranty lasts. Then if you want to take a chance and see how long it takes to fry an engine, go for it.

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post #3 of 20 Old 12-02-2018, 02:13 PM Thread Starter
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I'll probably stick to my once a year schedule for my still running 52 yr old machine. I have been using synthetic oil on everything for 26 years.
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post #4 of 20 Old 12-02-2018, 02:27 PM
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OK, some quick math. If you are turning 2500 RPM we can call that 60MPH (for round numbers) maybe 40 hours a year that's 2400 miles a year. So every 10 years give or take.

Oil is cheap, change every year.

If I can't fix it, I can screw it up so bad that no one else can either!
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post #5 of 20 Old 12-02-2018, 05:26 PM
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Quote:
Originally Posted by skutflut View Post
I'm no expert on oil, but I don't think you can equate 20,000 oil for a car to a snowblower.
That plus you would also need to put an odometer on your snowblower.
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post #6 of 20 Old 12-02-2018, 07:11 PM
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Oil rated for 20K in my opinion might finally be getting into the too good for a snowblower area. I'm not sure you can correlate small engine rpm to approximate MPH or miles equivalent. I'm pretty sure long before you reached that change interval you'd have milk chocolate from condensation from waiting a decade to rack up the hours (miles).

In any case IMHO I think someone with a snowblower would be better served with a good quality synthetic changed yearly. Even every two or three if it looks clean and doesn't show any signs of water from condensation starting to turn it milky.
My preferred choice is Mobil 1 0-40 from Walmart

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post #7 of 20 Old 12-02-2018, 07:16 PM
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I bought a used car last year and the owner previous owner had oil changed every 5000 miles at the dealership per dealership recommendation, this guy had even the wipers replaced at the dealer. When I bought the car the oil was clean but every time you'd pull the dipstick there would be slime on it, I sent the oil for analysis to make sure the coolant wasnt getting in the oil hence suggesting the head gasket was bad. Analysis came back to be clean, I have had the car for a year now with oil changes at every 3000 miles, now every time you pull the dipstick out its clean as a whistle.



Sorry for the back story point being that oil is cheap, engines are not.



I change the snowblower oil every year.
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post #8 of 20 Old 12-02-2018, 07:22 PM
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[QUOTE=JnC;1618447]I bought a used car last year and the owner previous owner had oil changed every 5000 miles at the dealership per dealership recommendation, this guy had even the wipers replaced at the dealer. When I bought the car the oil was clean but every time you'd pull the dipstick there would be slime on it, I sent the oil for analysis to make sure the coolant wasnt getting in the oil hence suggesting the head gasket was bad. Analysis came back to be clean, I have had the car for a year now with oil changes at every 3000 miles, now every time you pull the dipstick out its clean as a whistle.



Sorry for the back story point being that oil is cheap, engines are not.



Maybe he didn't live too far from work & the motor didn't get fully warmed & driven enough to burnoff the moisture.

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post #9 of 20 Old 12-02-2018, 07:24 PM
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Originally Posted by sewman View Post


Maybe he didn't live too far from work & the motor didn't get fully warmed & driven enough to burnoff the moisture.

Thats what I was told by a Toyota tech that happens to be a customer of mine.
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post #10 of 20 Old 12-02-2018, 07:28 PM
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Like everyone said. Snowblowers don't have oil filters, so any junk in the oil stays in the oil. I'd stick with suggesting every season, or every other season. Of course, I just changed my oil, and realized I had 3 seasons on it. Oops. I use Mobil 1 5W-30 High Mileage. My understanding is the extra ZDDP in High Mileage is better for the valvetrains in small engines.

If I were to guess (with no data to back it up), I wouldn't be surprised if your engine would be happier with annual conventional-oil changes, vs stretching synthetic to a change every 2 or 3 seasons. With no filter, the changes provide a chance to get stuff flushed out of the crankcase.

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