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cmspaz
11-15-2011, 10:54 AM
A gallon of gasoline contains more energy than a gallon of ethanol, this is basic information. Ethanol is also very caustic to rubber and aluminum; again this is fact, not opinion.

Oxygenated fuels act as a knock-quench which is why they'll make more power on a turbo car, but this does not change the fact that non-oxy fuels contain more energy.
And all of that is fine and dandy...

But we're on a Mitsu board, and the involvement of a turbo is implied in context, making non-oxy a non-option for everyone else, as I'm assuming you had your s2k at this point?

Kracka
11-15-2011, 11:00 AM
I'm just stating fact, nothing more, nothing less. There is too much misinformation about ethanol floating around the internet.

goodhart
11-15-2011, 04:18 PM
A gallon of gasoline contains more energy than a gallon of ethanol, this is basic information. Ethanol is also very caustic to rubber and aluminum; again this is fact, not opinion.

Oxygenated fuels act as a knock-quench which is why they'll make more power on a turbo car, but this does not change the fact that non-oxy fuels contain more energy.


And yet people can still run it in their 20 year old DSM's without their rubber fuel lines and aluminum fuel rails falling apart. Must not be that bad.

tpunx99GSX
11-15-2011, 05:59 PM
And yet people can still run it in their 20 year old DSM's without their rubber fuel lines and aluminum fuel rails falling apart. Must not be that bad.

Someone should do a quick test. Grab a bunch of rubber o rings and aluminum and some e-85. Drop the pieces in a Beaker (yeah i said beaker) and let them sit there. see how much damage it actually does to rubber o rings and aluminum over time.

Tachyon
11-15-2011, 07:01 PM
And yet people can still run it in their 20 year old DSM's without their rubber fuel lines and aluminum fuel rails falling apart. Must not be that bad.

Going on 6 years of continuous use in my 21 year old car.

Contextual truth perhaps, but there are many types of synthetic rubber compounds and aluminum alloys and ethanol blends. Modern pump ethanol has drying agents to keep an actually 100% neutral substance (read, non-caustic) from interacting with impurities of gas (cheifly water) and starting a corrosive reaction.

Can ethanol cause minor oxidation on raw aluminum under certain conditions, sure. Does this really apply to the context of our common hobby? Well, the proof is in the pudding.

polishmafia
11-16-2011, 12:02 AM
LOL @ 5 year old thread and backtracking on old posts

Shane@DBPerformance
11-16-2011, 10:52 AM
I wouldn't call ethanol very caustic, maybe slightly corrosive. Methanol is very corrosive. Real "rubber" has problems with any petroleum products like oil and gasoline. Ethanol is just a different name for plain old alcohol, the same exact kind found in the booze you drink.

tpunx99GSX
11-16-2011, 11:49 AM
I wouldn't call ethanol very caustic, maybe slightly corrosive. Methanol is very corrosive. Real "rubber" has problems with any petroleum products like oil and gasoline. Ethanol is just a different name for plain old alcohol, the same exact kind found in the booze you drink.

MOONSHINE!

bramagedained
11-18-2011, 10:11 AM
I almost put shine in my car as a bet while I was at my buddy's house in Kentucky.

Which makes you wonder. Could you run one of our cars on a bottle of 190 proof Everclear? Is the 95% Ethanol and 5% Water workable?

Tachyon
11-18-2011, 12:17 PM
I am betting you could... I am half tempted to dredge up the whole prohibition conspiracy around this, tongue-in-cheek of course.

Oh what the hell,

Linky (http://weblog.timoregan.com/archive/2008/01/john-d-rockefeller-alcohol-prohibition/)