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Only 3 in CA? Our Yamaha dealer sells two types of "Racing fuel" or "For off road use only" gas that is ethanol free in two different octanes, but it's about $13 per gallon in some 5 gallon blue can (~$64 for 5 gallons + tax). Yippee! I know of some boaters that go to Nevada and get gas for their racing boats but never thought to ask "How much?" Yamaha parts guy said a lot mix their $13 gallon stuff with the normal $4 gallon stuff and say they are happy with the mix in their race bikes.

This stuff we have now is bad. Just spent the day trying to get the damn lawn equipment started out of winter recess (hooray for starter fluid!). KTM shop has some nice wavy orange gas tanks too on their new bikes and they suspect ethanol damage to the plastic tank

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Mack
 

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Blu-can is probably VP Racing fuel, orange is possible BP Race fuels. VP's GT104 is awsome, and one of the highest unleaded octane gas you can get. Although, if you're running a PCIII/PCV and are not using the O2 sensor, you can use 110LL fuel. 110 octane (LL is for Low Lead). Leaded fuels will foul your O2 sensor (white deposit), but many people that use LL in their cars just clean off the O2.

You can also mix your own w/ Toluene/Xylene, which I believe is 114 and 118 octane respectively. add some dino ATF for lubrication. You can calculate the resultant octane by volume.
 

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May be just an old-wives tale, but I understand that 110LL avgas has more tetra-ethyl lead than what was available with automotive pump gas when we had that generally available. Just can't seem to find the TEL levels in automotive gas.

From Wikipedia(Avgas):
As of Jan 2010, 100LL has a TEL content of 1.2 to 2 grams TEL<SUP id=cite_ref-EAASpecs_6-0 class=reference>[7]</SUP> per US gallon (0.3–0.5 g/l) and is the most commonly available and used aviation gasoline. One gram of TEL contains only 3/5 of a gram of lead.



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Razel said:
May be just an old-wives tale, but I understand that 110LL avgas has more tetra-ethyl lead than what was available with automotive pump gas when we had that generally available. Just can't seem to find the TEL levels in automotive gas.

From Wikipedia(Avgas):
As of Jan 2010, 100LL has a TEL content of 1.2 to 2 grams TEL<SUP id=cite_ref-EAASpecs_6-0 class=reference>[7]</SUP> per US gallon (0.3–0.5 g/l) and is the most commonly available and used aviation gasoline. One gram of TEL contains only 3/5 of a gram of lead.
Ray,

It's not an old wives tale about 100LL. The key is it's Low Lead, not unleaded. We had kids in my Airframe and Powerplant classes that thought it would be great to use it in their cars, but one found out quickly enough it wouldn't pass emissions for some reason. All you have to do is look at plugs pulled from an aircraft engine...a real pain to clean the deposits before reinstalling them.

Phil
 

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I wonder if the 100LL aviation gas is the contributing factor of the lead in the ground water verses the story about the ban on lead wheel weights as the reason for the lead in the water supply? A few planes crop-dusting lead out of their exhaust would make for a more efficient means to spread the lead around, especially over water treatment plants.

I'd be more suspicious of lead fishing weights in the local rivers than tire weights, like a few dozen lures I've left snagged behind, but atomized av fuel could be a far bigger issue since it would be breathed as well.


Mack
 
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