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Fuel Types in Old Small Engines

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Old 04-18-2018, 06:40:54 PM
Elden DuRand's Avatar
Elden DuRand Elden DuRand is offline
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Default Re: Fuel types in old small engines

“What is meant by low compression engines were raised on it”


Before “ethyl” gasoline was available, all gasoline engines ran on “white gas”, which was essentially naphtha.

It wasn't until ethyl gasoline was available that high compression engines were feasible.

Take care - Elden
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Old 05-03-2018, 12:44:17 AM
Axenolith Axenolith is offline
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Default Re: Fuel Types in old Small Engines

Hmmm, they must have been fairly over engineered for the pressure difference because my grandfather always ran unleaded in his lanterns and they seemed to do fine, maybe need a bit more frequent cleaning.

Me and a friend had one go area fuel injection on us once while playing cards, but rapid off and relocation avoided disaster.
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Old 05-03-2018, 09:17:32 AM
beechcraft1 beechcraft1 is offline
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Default Re: Fuel Types in old Small Engines

I run Avgas 100 octane in all my engines including my lawn and garden and boat motors. Works perfect in 2 cycles when premixed is needed. Never have issues with carbs,mixers or fuel tanks gumming up. Engines ALWAYS start perfect even if they've been sitting for 5 years or more. Costs a little more than pump gas but it's so worth it. Got all my local engine guys hooked on it after they tried it. Just find a local aircraft owner and ask him how to get some. You won't be sorry.
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Old 05-03-2018, 09:40:15 AM
gnucklehead gnucklehead is offline
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Default Re: Fuel Types in old Small Engines

I was just thinking the same thing about old Coleman fuel.. Found some cans in the basement of my Sister's new-to-her home, was wondering what to do with it.. Now I know
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Old 05-03-2018, 02:48:02 PM
Andrew Mackey Andrew Mackey is offline
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Thumbs up Re: Fuel Types in Old Small Engines

AV gas is totally different from auto fuel. it has absolutely no alky, by federal law, to help preventing carb icing at altitude. it is also more resistant to degradation from aging. it is also more expensive as well.
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