E85 and Oxytane: What you can do with it.
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Here is some admittedly crude and simplistic testing with E85 and Oxytane. E85 will not run on a stock Briggs engine. The carb jetting is too small. E85 requires larger carb jets because it wants to run richer than gasoline to reach a stoichometric ratio. Stoichometric means "to have a perfect ratio with air and fuel to achieve a clean burn." Gas' reference point is 14.7:1. Methanol is 8:1. E85 is around 11:1. Stoichometric values change with Oxytane, too. It richens the fuel mixture. You dial BACK the fuel to maintain the stoich ratio when you put Oxytane in. The combined effort of a "richer fuel" and the small stock jet size, the engine still runs. Most people don't think of fuel as a variable. They think of fuel as a constant. You can tune a fuel's behavior and make it a different kind of constant. It can work for you instead of against you by alleviating detonation, improving cylinder cooling, and speeding up the burn rate.
Canal: Autos & Vehicles
Añadido: January 1, 1970 at 12:59 am
Autor: ImprezaRSC
Duración: 04:39
Puntuación: 4.54
Reproducciones: 5805
Etiquetas: alternative Briggs E85 engine ethanol fuel motor Oxytane
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Comentarios
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crazyhugs (January 1, 1970 at 12:59 am)
lol , ur engine thingy is walking a way
Samexplode (January 1, 1970 at 12:59 am)
A stock engine would run lean if it ran on E85.
ImprezaRSC (January 1, 1970 at 12:59 am)
Oxytane is coming soon to a dyno shop near you.
steelrainwarrior (January 1, 1970 at 12:59 am)
we even get some stick figure abuse
ImprezaRSC (January 1, 1970 at 12:59 am)
Tweak the fuel...:P
ImprezaRSC (January 1, 1970 at 12:59 am)
It's not stupid at all to consider reducing the airflow to richen the mixture. It's just the least popular option because it kills the power. However, the idea has merit and does work. A 30% reduction in airflow is what is needed to run E85 without touching the carb. We tweaked the variable no one ever realy thinks about: the fuel!
Bikeman1087 (January 1, 1970 at 12:59 am)
Second way but maybe stupid way to rich the mixture is to put something like tape to staunch air filter little bit so the engine cant take air so easily. This causes that mixture will be richer.
thewelderdude (January 1, 1970 at 12:59 am)
thats what i was thinking. (grin) lol
ImprezaRSC (January 1, 1970 at 12:59 am)
You'd think it had some place to go or something :P.
thewelderdude (January 1, 1970 at 12:59 am)
i hate it when an engine walks away. lol lol
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