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Author Topic: 87 octane vs 89 octane with 10% ethanol Back to Topics
CORNHICK

All-Star Author
Omaha

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Message Posted: Oct 1, 2012 11:04:46 PM

the 87 costs 12cents more because it doesn't have the ethanol in it. Is it worth it to pay the extra 12c per gallon to get gas without ethanol but a lower octane rating in return thanks let me know .
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GarRafFra
Sophomore Author Worcester

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Message Posted: Jan 24, 2013 10:41:31 PM

Same answer as before.
Either fix the kinks or forget about the whole idea.

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MikeCapeCoral
Champion Author Cape Coral

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Message Posted: Nov 6, 2012 1:44:25 AM

You have me confused...
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Delta258
Sophomore Author Fresno

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Message Posted: Nov 6, 2012 1:30:36 AM

Good post, thanks.
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alphanyr
Champion Author Connecticut

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Message Posted: Nov 5, 2012 10:07:21 AM

87
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krzysiek_ck
Champion Author Illinois

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Message Posted: Nov 5, 2012 8:35:25 AM

Gary9696 wrote: "Ethanol also absorbs moisture (water) from the air so you have alcohol, and water that will eventually damage hoses, and corrode metal."

There is a reason why anti-rust agents are added to gasoline as well. Can you tell me why?

[Edited by: krzysiek_ck at 11/5/2012 8:36:27 AM EST]
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WE0H
Champion Author Twin Cities

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Message Posted: Nov 5, 2012 2:18:29 AM

There are so many haters and people that just have no clue what they are talking about when it comes to alcohol fuels. It appears most people read and believe what they read online and continue to tell the rumors and other false information. Oh well, the ones who know the truth are the ones that run Ethanol in their vehicles.
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SilverStreaker
Champion Author Twin Cities

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Message Posted: Nov 4, 2012 7:20:43 PM

Gary9696, do you know what the main ingredient is in HEET Gas-Line Antifreeze & Water Remover? Alcohol.
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TSgtCarverRetired
Champion Author Detroit

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Message Posted: Nov 4, 2012 12:43:58 PM

GM1954 In 2005 I bought a new Ford Fivehundred, and on the highway in Texas I could get 30mpg. When almost all gas stations in Texas went to 10% Ethanol the highway mile per gallon dropped to 26mpg. I was using cruise control driving the same route, and at the same speed as I was when the car achieved 30 mpg many times before. So your math could be wrong considering you will get less mpg using ethanol on that 100,000 mile trip. Ethanol also absorbs moisture (water) from the air so you have alcohol, and water that will eventually damage hoses, and corrode metal.
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WE0H
Champion Author Twin Cities

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Message Posted: Nov 4, 2012 1:07:47 AM

I run E85 :)
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reb4
Champion Author Chicago

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Message Posted: Nov 3, 2012 1:27:51 PM

can't help you cornhick, don't have the ability to do so.

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GM1954
Champion Author Illinois

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Message Posted: Nov 3, 2012 9:06:46 AM

If you drive 100,000 miles, you'll save $600 using the ethanol blend. Take your pick.
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CORNHICK
All-Star Author Omaha

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Message Posted: Oct 2, 2012 6:29:00 PM

yeah i will be sticking to the 87 until they make it cost effective to burn the ethanol thanks
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forresj
Champion Author Wilmington

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Message Posted: Oct 2, 2012 8:15:15 AM

if you remember your algerbra, you can calculate it yourself. given that you know many miles your car gets per gallon, the concentration of ethanol in gallon of gas and the price of a gallon of gas with and without ethanol, it should be easy to figure out.
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Dennis783
Champion Author Des Moines

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Message Posted: Oct 2, 2012 7:42:21 AM

at 12 cents more it should be about equal in cost per mile
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MIT05
Champion Author Massachusetts

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Message Posted: Oct 2, 2012 7:22:27 AM

87
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CORNHICK
All-Star Author Omaha

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Message Posted: Oct 2, 2012 2:41:00 AM

AFOS thanks
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AFOS
Champion Author Chicago

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Message Posted: Oct 2, 2012 1:05:37 AM

Don't know about newer engines, but 20-30 years ago you would certainly come out ahead by paying 3% more for alcohol free gasoline vs E10. My 86 Olds got about 10% better mileage w/o ethanol. No basis for comparison any more around here so I can't quantify the difference.
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CORNHICK
All-Star Author Omaha

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Message Posted: Oct 1, 2012 11:33:48 PM

ive heard that the ethanol eats away at the engine over time anyone else got any advice for me?
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vangobrown
All-Star Author Wilmington

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Message Posted: Oct 1, 2012 11:15:10 PM

no its not worth the extra cost, not certain my engine will perform that much different
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