Aviation Fuel for gas burners??? (Full Version)

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noahb -> Aviation Fuel for gas burners??? (7/18/2002 6:11:39 AM)

I have a brison 4.2...has anybody tried aviation fuel in there gas burners...what was the benifit if any except the lack of smell or just a little smell compared to gas.



downunder-RCU -> Aviation Fuel for gas burners??? (7/21/2002 12:25:31 PM)

Probably no benefit whatsoever. Certainly none if your engine isn't running close to detonating. Higher octane rating doesn't mean the fuel will develop more power than a lower octane rating.



Homebrewer -> 100LL Fuel (7/21/2002 5:51:29 PM)

Here is what I noticed from experience:

Harder starting in cooler temps (less than 85 degrees). 100LL has a higher heat of vaporization/higher temp which it ignities and may make it harder to start in fall weather.

Also, it also appeared that my engines ran hotter with the 100LL, this was after I adjusted the mixture to account for the difference in fuel.

When it was all said and done, I switched after burning a gallon of the stuff, back to regular 87 octane using Honda HP synthetic at a 50:1 mix. Note there are some engines out there that require higher than 87 octane fuel but 100LL is no benefit in my book and I find its smell annoying but not as repulsive as 87 mogas.



Geistware -> Aviation Fuel for gas burners??? (7/22/2002 12:23:04 AM)

Av Gas will make the engine run hotter but will not give you any boost in power. Unless your engine has suffecient compression to take advantage of the higher octane, then save your money!



jdwiflyrc -> High octane fuel (7/22/2002 4:14:42 AM)

Using high octane fuel in low octane engines is similar to retarding the ignition.
The high octane fuel burns slower and the piston is closer to the top of the cylinder or already started down before the fuel starts to burn efficiently therefore lowering the power output with an increase of heat because the fuel is still burning as it goes out the exhaust.

Keep em fly'in, John



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