Left last year's gas in my snowblower - Mercedes-Benz Forum

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post #1 of 12 (permalink) Old 10-28-2004, 04:49 PM Thread Starter
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Left last year's gas in my snowblower

Should I try and start it or drain it? It's a 4 stroker.

All hail the Sixteen Men of Tain!
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post #2 of 12 (permalink) Old 10-28-2004, 04:51 PM
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RE: Left last year's gas in my snowblower

You were supposed to drain it at the end of last winter. No harm in trying it now.

"If spending money you don't have is the height of stupidity, borrowing money to give it away is the height of insanity." -- anon
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post #3 of 12 (permalink) Old 10-28-2004, 04:53 PM
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RE: Left last year's gas in my snowblower

Savor that low cost fuel while you can. [:D]
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post #4 of 12 (permalink) Old 10-28-2004, 04:58 PM
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RE: Left last year's gas in my snowblower

The drawback to trying to start it is that you may suck up pieces of varnish into the jet from the carb bowl. If you didn't put Stabil in the fuel to keep it fresh, I'd be half inclined to drain the tank, drop the bowl on the carb and clean it out before starting so the gunk never makes it into the jet.
On the other hand, I have a 72 Dodge Travco motorhome which has sat with stale gas for most of its existence(it has 100 gallons in the tank) It wasn't until about 1999 that I had to take the carb apart and clean it. However, it was thoroughly caked with varnish everywhere.

PS--any accountants on board? Do I have to report the increased value of that fuel to the IRS as capital gains?
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post #5 of 12 (permalink) Old 10-28-2004, 05:01 PM
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RE: Left last year's gas in my snowblower

Isn't varnish damage done by leaving fuel in the carbs? I always thought varnish was just a coating that stayed where it was.

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post #6 of 12 (permalink) Old 10-28-2004, 05:03 PM
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RE: Left last year's gas in my snowblower

Quote:
GermanStar - 10/28/2004 7:01 PM

Isn't varnish damage done by leaving fuel in the carbs? I always thought varnish was just a coating that stayed where it was.
It definitely flaked off in my Dodge. Perhaps it was a result of many years of buildup and one year won't matter. I think when the fuel evaporated from the bowl after sitting for months, some of the varnish dropped into the bottom of the bowl. That's the only explanation I have for what I found in there.
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post #7 of 12 (permalink) Old 10-28-2004, 05:10 PM Thread Starter
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RE: Left last year's gas in my snowblower

Knew that topsider was gonna be good for something. I'll drain it. Maybe some STP injector cleaner?

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post #8 of 12 (permalink) Old 10-28-2004, 05:20 PM
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RE: Left last year's gas in my snowblower

Yeah, gas sitting in the carb isn't good as it'll turn into varnish -- smaller volume = trouble and will clog up the jets. The old smell test always works. :)

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post #9 of 12 (permalink) Old 10-28-2004, 05:31 PM
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RE: Left last year's gas in my snowblower

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w126 - 10/28/2004 4:20 PM

Yeah, gas sitting in the carb isn't good as it'll turn into varnish -- smaller volume = trouble and will clog up the jets. The old smell test always works. :)
Right, but would you be afraid to use the gas in the tank?

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post #10 of 12 (permalink) Old 10-28-2004, 06:00 PM
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RE: Left last year's gas in my snowblower

In that small of a tanks, yes.

If it were an auto with at least a half full tank, no. More than a year of sitting, I'd drain the tank and clean the fuel system.

I'm getting ready to store the Cadillac and will top off all 26 gallons with 93 octane and stabilizer. Time for a long winters sleep. [|)]
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