What Octane do you use?

tuf-duc · 08-12-2015, 05:34 PM

Just curious what octane gas everyone uses. I use my cart for Sporting Clays and find using 93 Octane gas with no ethanol works best for me.

cart around · 08-12-2015, 06:05 PM

Low performance golf cart engines don't require anything more than 87 octane. The compression ratio is so low, it doesn't justify using a higher octane rating.

You are very lucky to find any non ethanol gas. In 2008, the requirement to mark ethanol dispensing gas pumps was dropped. That is when ethanol became the main ingredient to boost octane ratings.

I know of one gas station by me that has a non ethanol pump. They are thinking about ending it soon because of the cost. That leaves us with the local airport for non ethanol av-gas. As a licensed A&P mechanic, I could buy from the airport without question.

It's not worth the $7 per gallon for av-gas to me. I throw some SeaFoam into all of my 87 octane, and don't worry about it. I burn it all before phase separation occurs.

ldj1002 · 08-12-2015, 08:37 PM

Quote:

Originally Posted by cart around

Low performance golf cart engines don't require anything more than 87 octane. The compression ratio is so low, it doesn't justify using a higher octane rating.

You are very lucky to find any non ethanol gas. In 2008, the requirement to mark ethanol dispensing gas pumps was dropped. That is when ethanol became the main ingredient to boost octane ratings.

I know of one gas station by me that has a non ethanol pump. They are thinking about ending it soon because of the cost. That leaves us with the local airport for non ethanol av-gas. As a licensed A&P mechanic, I could buy from the airport without question.

It's not worth the $7 per gallon for av-gas to me. I throw some SeaFoam into all of my 87 octane, and don't worry about it. I burn it all before phase separation occurs.

I agree 87 is all that's needed. 93 won't hurt a thing and no ethanol is good. Can you get 87 ethanol free, if so use that otherwise go with the 93.

Night · 08-12-2015, 09:12 PM

The local Casey's has "no Alcohol" pumps. And that's all I burn in all my gas engines.

Mark

tuf-duc · 08-12-2015, 09:34 PM

Non ethanol gas is fairly easy to find in Texas especially once you get out of the major metroplexes.

cart around · 08-12-2015, 10:08 PM

Pick your State to see if you are lucky enough to live by ethanol free gas.

http://pure-gas.org/index.jsp?stateprov=OH

BLACK DEATH · 08-13-2015, 04:58 AM

Your cart may run better with 87 octane if your engine doesn't require 93

08-12-2015, 05:34 PM	#1
tuf-duc Getting Wild Join Date: Oct 2010 Location: Haslet, Tx Posts: 92	What Octane do you use? Just curious what octane gas everyone uses. I use my cart for Sporting Clays and find using 93 Octane gas with no ethanol works best for me.

08-12-2015, 06:05 PM	#2
cart around Test before replacing Join Date: Aug 2013 Location: Ohio side of the Pennsylvania border. Posts: 3,495	Re: What Octane do you use? Low performance golf cart engines don't require anything more than 87 octane. The compression ratio is so low, it doesn't justify using a higher octane rating. You are very lucky to find any non ethanol gas. In 2008, the requirement to mark ethanol dispensing gas pumps was dropped. That is when ethanol became the main ingredient to boost octane ratings. I know of one gas station by me that has a non ethanol pump. They are thinking about ending it soon because of the cost. That leaves us with the local airport for non ethanol av-gas. As a licensed A&P mechanic, I could buy from the airport without question. It's not worth the $7 per gallon for av-gas to me. I throw some SeaFoam into all of my 87 octane, and don't worry about it. I burn it all before phase separation occurs.

08-12-2015, 09:12 PM	#4
Night Gone Wild Join Date: Aug 2011 Location: West Central Illinois USA Posts: 294	Re: What Octane do you use? The local Casey's has "no Alcohol" pumps. And that's all I burn in all my gas engines. Mark

08-12-2015, 09:34 PM	#5
tuf-duc Getting Wild Join Date: Oct 2010 Location: Haslet, Tx Posts: 92	Re: What Octane do you use? Non ethanol gas is fairly easy to find in Texas especially once you get out of the major metroplexes.

08-12-2015, 10:08 PM	#6
cart around Test before replacing Join Date: Aug 2013 Location: Ohio side of the Pennsylvania border. Posts: 3,495	Re: What Octane do you use? Pick your State to see if you are lucky enough to live by ethanol free gas. http://pure-gas.org/index.jsp?stateprov=OH

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08-13-2015, 04:58 AM	#7
BLACK DEATH Gone Wild Join Date: Dec 2009 Location: Corpus Christi, TX Posts: 1,644	Re: What Octane do you use? Your cart may run better with 87 octane if your engine doesn't require 93

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