alcohol

[fabricated]

How much octane would you get running 80% 91 pump gas, and 20% methanol. C12 has gotten so expensive I think running this alternative might be worth trying knowing that 5 gallons of VP M1 Methanol is only $30. I know that methanol is corrosive, but mixing one gallon of it with 4 galons of gas wont give it the molarity to eat away the line and jetting. What is the equivalent octane? I would guess somewhere close to 100.

[wayfst]

GOOD QUESTION

[s-540]

run 100 low lead. you can get it at the airport. $4.20 a gallon..

[rocketboy]

100ll aviavtion fuel out is here is currently like 3.50$ ...and methanol needs very high static compression

Edited November 20, 2005 by rocketboy

[odaen]

How much octane would you get running 80% 91 pump gas, and 20% methanol.  C12 has gotten so expensive I think running this alternative might be worth trying knowing that 5 gallons of VP M1 Methanol is only $30.  I know that methanol is corrosive, but mixing one gallon of it with 4 galons of gas wont give it the molarity to eat away the line and jetting.  What is the equivalent octane?  I would guess somewhere close to 100.

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I was told that methanol isn't corrosive, but the moisture that it collects is. I also don't know that alcohol and gas will mix well, if at all.

[dawarriorman]

Ethanol mixes with gas, but I don't think methanol will mix well if it will at all.

[blueshee03]

a few guys told me never to mix methenol with gas.i was also told you should'nt run aviation fuel in a banshee.something about wrong additives or something

[wesw]

i run 100 LL av gas last time i paid 3.40 a gal for it but gas was way higher.

 

bike runs good enough for me

[dawarriorman]

a few guys told me never to mix methenol with gas.i was also told you should'nt run aviation fuel in a banshee.something about wrong additives or something

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So far I've searched and searched all over, and while the topic has come up, nobody ever can come up with a good (or real) reason not to use AV gas, that Ive seen anyways. Some people say its not consistant, which isn't true. Others say it will make the engine run too hot, but can't come up with a reason why. Who knows. I figure I might go up to the airport when I get my engine back together and see what the people there know.

[fastbanshee8]

From what I've read, and been told, AV gas isn't made for a high RPM engine. I've talked to several people that have ran it, and they said their Banshee's wouldn't rev out, while running AV gas, so they weren't going to run it anymore. Just what I've read, and been told, so you may want to take it with a grain of salt. IMHO, I wouldn't run it in my Shee, and wouldn't recommend that anyone else run it either.

[NYUK]

it is not a good idea to be mixing alky and gas,i`ve never heard of anyone having any kind of success trying this,it leads to blown motors.ask yourself do you really need the octane and higher compression.unless you are stricktly straight line drag racing and are proficient with jetting for temp and humidity changes ,i wouldn t be putting alky in your bike.the av gas debate is endless, there are people who run it with sucess.

[Ducman]

Alky is lighter/ thinner than gas so mixing it with your gas would mess up your jetting, cause it to be leaner than with just gas.

 

Lots of people use Methenol injection on blower and turbo setups in cars that use pump fuel and it acts like adding octane so they can get away with much more agressive tune, leaner/ more timing. Basicall you can run about a 100 octane tune using 91 octane and the amount of Metanol used is very small, and it is only injected at say 60% throttle to WOT. I would say in theory you might be able to do what your thinking of, but you'd be likely to blow your motor trying to get the set-up right. Methanol isn't a while lot cheaper than race fuel either.

[rocketboy]

i love av gas and whoever said that it cant rev out on top, is totally full of shit ...here are some quotes from people who have had great sucsess running aviation fuel .

 

..... I know I'm going to hear the normal arguments on running Avgas and how it is not good for bikes and all that other BS. Let me just say,

I am a federally licenced aircraft mechanic and I can tell you with 100% certainty that 100LL Avgas (which is actually about 107 octane) is every bit as good if not better then the best race fuel on the market.

In fact, it stores in containers, maintaining it's octane rating, better then any other fuel on the market. What's more, it costs quit a bit less then race gas.

 

 

 

 

 

... Avgas is not a blanket fuel for any purpouse. In an all out purebred race engine race gas is best...period. For engines that are in that grey area of potential detonation, Avgas is fine...and yes, the Octane

is definately higher than 92 automotive fuel. As for damaging to 2-strokes, 20 years of use never showed that to me. I broke the waterspeed world record in 91 with a replicated H-2 Induction Kawasaki 536cc twin

46mm sidedrafts running 305psi on avgas and that motor was dependable enough to let my daughters run around the lake on all day long, and those motors are under 6 times the stress, and much more likely to detonate than a Banshee motor...jim

[Malott 1]

After running on methanol you have to purge your motor. We like to purge with a 16-1 mixture with high octane pump gas. The problem with mixing methanol with your gas you will have methanol left in your motor and it will draw moisture like you couldn't imagine. It won't take long to destroy your crank and everything else in contact with the methanol.

[wesw]

After running on methanol you have to purge your motor.  We like to purge with a 16-1 mixture with high octane pump gas.  The problem with mixing methanol with your gas you will have methanol left in your motor and it will draw moisture like you couldn't imagine.  It won't take long to destroy your crank and everything else in contact with the methanol.

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so by that, f.a.s.t 1 would you say its a super pain in the ass to deal with.