Can you use ethanol ( corn gas ) running stock? - Maintenance and Repair Forum

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Can you use ethanol ( corn gas ) running stock?
Tuesday, February 22, 2005 6:56 PM
Can I put ethanol or methanol whatever it is, in my car without changing anything? any advantages? Just wondering!


Thanks,

G

Re: Can you use ethanol ( corn gas ) running stock?
Tuesday, February 22, 2005 7:40 PM
I think your talking about the E-85, its a gas made form corn. You will get a loss in power but it does have its advantages, at the independant shop we were a shop recomended by the emisions test center, if a car failed but was really close 9 times out of 10 a few gallons of E-85 and drive it around for a bit to get it nice and hot and it would pass. Its a cleaner burning gas thats about it though, no advantages performance wise, just emssions wise. I wouldn't recomend it for any other usethen to try to get past emisions



Re: Can you use ethanol ( corn gas ) running stock?
Wednesday, February 23, 2005 7:34 AM
Is it cheaper? Been a long time since I've seen it. I drive a LOT of highway ( I drive 40,000km per year and 80% of it is highway ) where I don't need extra power. If so I'll run on it more often! I guess it cleans the whole system a bit also?

I'm on a 03 Cavy by the way


Thanks,

G
Re: Can you use ethanol ( corn gas ) running stock?
Wednesday, February 23, 2005 10:27 PM
it's a very high octane fuel, so the PCM will advance timing, i've seen 50 degrees. high compression would compliment it intensively, giving you a power increase.

some things to look into are damning any rubber fuel lines, the methanol is even more destructive to rubber lines and the lining of your gas tank.
Re: Can you use ethanol ( corn gas ) running stock?
Wednesday, February 23, 2005 10:53 PM
What's the point on a stock car? If you rebuild the engine then I could see advantages but not stock. It's like running 93 octane gas, you feel great about putting it in, but our cars were designed for regular.

Jay




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Re: Can you use ethanol ( corn gas ) running stock?
Thursday, February 24, 2005 7:00 AM
Actually I was more talking about E-10, the gas blended with 10% ethanol. I put 89octane E-10 for 3cents cheaper per LITER ( about 15cents per gallon ) than unleaded 87. Ive read a bit about E-10 and it seems like it;s actually better for our cars, acting like an antifreeze, burning up 100% therefore leaving no residues, and being more environmentally friendly which I think is a big plus. I'll see if I get any MPG increase, Im driving 500km today, all highway, Ottawa to Quebec city.



Thanks,

G
Re: Can you use ethanol ( corn gas ) running stock
Thursday, February 24, 2005 8:19 PM
where do you fill up you car ? cause it'S been a while i havent seen ethanol gas around here (mirabel,québec) and the only place ive ever seen it was olco!!



Re: Can you use ethanol ( corn gas ) running stock
Thursday, February 24, 2005 8:27 PM
i livein in iowa home of corn, ethanol is at every pump now. and since i've been diriving i have used it and have never noticed any probelms withit yet.



Re: Can you use ethanol ( corn gas ) running stock
Thursday, February 24, 2005 9:32 PM
It increases combustion temp, and you LOSE power with it on a stock motor, mainly in the winter.
After owning a factory turbo car, I know the negative effects.
I use Shell gas whenever possible, why?, becuase it is the most PURE gas I know of.
Octane ratining is one thing that IS important, but they all do it.
If you want, or need the best fuel, gas up at a local airfield with aviation grade before you hit the track, granted it does cost, (so if you are stock, no FI, don't bother).
Just a 'lil $.02 from me.
I know I'll catch heat for this, but you will realize.

Re: Can you use ethanol ( corn gas ) running stock
Thursday, February 24, 2005 9:34 PM
shell suck, ultramar is better



Re: Can you use ethanol ( corn gas ) running stock
Thursday, February 24, 2005 9:44 PM
See, I knew it!
I am not familiar with what you are telling me.
And Shell does not suk, at least in the states.
I say run what you think is beneificial to your car, whatever the choice may be, after all, you know your baby best.

Re: Can you use ethanol ( corn gas ) running stock
Saturday, February 26, 2005 12:07 AM
my car seems to run best on shell gasoline. i would use it all the time if it werent so expensive in my area. its funny how in the austin area, a lot of times its the CHEAPEST gas available.




Peace Out!!!
Re: Can you use ethanol ( corn gas ) running stock?
Saturday, February 26, 2005 8:10 AM
chapter10 wrote:it's a very high octane fuel, so the PCM will advance timing, i've seen 50 degrees. high compression would compliment it intensively, giving you a power increase.

Quote:



Uhmm, no. The PCM does not advance timing for high octane fuel, it only retards timing for crap fuel. If the knock sensors have no knock to pick up, timing stays at the original programmed curve set by GM.

Anyway.......


..........When I read the thread title, I was gonna say hell no, because I thought you meant straight ethanol, lol. The A/F ratios for alky burning are way richer than what the PCM would allow, or way too rich for your injectors to keep up with anyway. Furthermore, running straight alky is bad on all the gaskets and o-rings in your current fuel system. Alchohol strips gaskets and o-rings of moisture so that they end up dryrotting. There are special gaskets and o-rings that are made just for that purpose. But if it's just a 10% blend, you should be fine because there is enough regular gas to dilute the ethanol.


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Re: Can you use ethanol ( corn gas ) running stock?
Saturday, February 26, 2005 4:15 PM
in canada most of our fuel is blended up to 10% ethanol. Works for me
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