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| Re: [GMCnet] pure gas [message #103664 is a reply to message #103663] |
Thu, 21 October 2010 08:34   |
Dr. Detroit
Messages: 158
Registered: April 2010
Location: Novi, MI.
Karma: 0
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Keep in mind that any maniac can post to that site and that many people think that just because the pump does not have a label on it that the fuel is E free. Even asking the attendant is not good enough.
The only way to absolutely know what you are getting in your gas is to check the fill sheets at the station.
1973 GMC 23'
All Birch and Maple Interior Cabinetry. TZE033V100221
"The Honeycomb Hideout"
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| Re: [GMCnet] pure gas [message #103699 is a reply to message #103663] |
Thu, 21 October 2010 15:46 |
bobby5832708
Messages: 237
Registered: November 2006
Location: Winter Springs FL
Karma: 3
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Senior Member |
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But........ how do you REALLY know if there is ethanol mixed with the gasoline and what the actual percentage of ethanol REALLY is? Kind of like with the octane rating, what REALLY is going into my GMC's gas tank? Just because it says something on the pump doesn't mean it really IS!
One of my many faults is that I question too many things. I'm not from Missouri, but you still have to "show me" for me to believe most anything.
I think it was Ken H who wrote how to test for ethanol in gasoline using a small bottle and some water. I will have to search this site for the testing procedure and test some of whatever fluid is in my GMC's gas tank as I don't seem to be having the driveability issues some others are experiencing. I'm using regular gasoline of different brands, primarily Mobil (because it's the station closest to my house), purchased all over central Florida, nothing special like premium, and all we can buy here is the 'up to 10% ethanol' stuff -- at least that's what it SAYS on the pump!
Bob Heller
2017 Winnebago 29VE
Winter Springs FL
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| Re: [GMCnet] pure gas [message #103707 is a reply to message #103702] |
Thu, 21 October 2010 18:04 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Thanks, Billy,
Next they'll be blaming me for his indiscretions too! :-)
Just hope he'll accept some of mine too. As many Ken's as we've got, I
should be able to get away with all kinds of stuff.
Ken H.
On Thu, Oct 21, 2010 at 5:05 PM, Billy Massey <bdub@pgrb.com> wrote:
> Here ya go, Bob.
>
> ===========================
> -----Original Message-----
> From: On Behalf Of Ken Burton
> ...
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] pure gas [message #103717 is a reply to message #103707] |
Thu, 21 October 2010 19:19 |
Dr. Detroit
Messages: 158
Registered: April 2010
Location: Novi, MI.
Karma: 0
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Senior Member |
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Thanks for posting the test. I'll pass it on to my old boat racing buddies who are still using fiberglass tanks.
Using ethanol in a boat with fiberglass tanks causes the resin in the glass to turn to goo and then wreak havoc on the fuel system.
I had a boat with fiberglass tanks and had to be extremely careful because the last thing I wanted was fuel system problems. It was a 750 hp twin turbo big block chevy and a fuel issue would cause it to self destruct. I finally gave up and ran it exclusively on 100LL AV Gas so I knew what I was getting.
As far as signage goes at a gas station, I'll believe it when I see the fill sheets.
1973 GMC 23'
All Birch and Maple Interior Cabinetry. TZE033V100221
"The Honeycomb Hideout"
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| Re: [GMCnet] pure gas [message #103721 is a reply to message #103717] |
Thu, 21 October 2010 20:07 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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G'day,
I take the Aussie approach and fill-up with whatever gas they sell whatever
station I'm at.
"She'll be right, Mate, no worries!" ;-)
Then again I do have clean tanks, clean inlet screens, all new ethanol
compatible fuel lines, a small boost pump that turns on when I go to AUX, a
clean filter just upstream of the mechanical fuel pump, and a clean filter
in my Quadra Jet.
So the Aussie saying is "spot on" for me!
Regards,
Rob M.
USAussie
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] pure gas [message #104001 is a reply to message #103721] |
Sun, 24 October 2010 11:57 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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[quote title=Robert Mueller wrote on Thu, 21 October 2010 18:07]
G'day,
I take the Aussie approach and fill-up with whatever gas they sell whatever
station I'm at.
"She'll be right, Mate, no worries!" 
Then again I do have clean tanks, clean inlet screens, all new ethanol
compatible fuel lines, a small boost pump that turns on when I go to AUX, a
clean filter just upstream of the mechanical fuel pump, and a clean filter
in my Quadra Jet.
So the Aussie saying is "spot on" for me!
Regards,
Rob M.
USAussie
_______________________________________________
You're absolutely right Rob. That's exactly my approach. Works fine for me.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] pure gas [message #115163 is a reply to message #103663] |
Tue, 15 February 2011 20:04 |
bobby5832708
Messages: 237
Registered: November 2006
Location: Winter Springs FL
Karma: 3
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Senior Member |
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Last October I replied to this thread with:
"But........ how do you REALLY know if there is ethanol mixed with the gasoline and what the actual percentage of ethanol REALLY is? Kind of like with the octane rating, what REALLY is going into my GMC's gas tank? Just because it says something on the pump doesn't mean it really IS!"
Now almost 4 months later, last nights Orlando WFTV news had a story on how ethanol is causing problems with fuel lines, etc. (We all know the story). The interesting part was when they showed that some stations were selling gasoline that had more, sometimes substantially more, ethanol than the 10% listed on the pump.
http://www.wftv.com/news/26876113/detail.html
So my statement from last year, how do you REALLY know what you're putting in your GMC, is accurate -- you really DON'T know what the concentration of ethanol is in the gasoline you're buying. It doesn't matter what it says on the pump!
Bob Heller
2017 Winnebago 29VE
Winter Springs FL
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| Re: [GMCnet] pure gas [message #115204 is a reply to message #115163] |
Wed, 16 February 2011 00:17 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| bobby5832708 wrote on Tue, 15 February 2011 20:04 |
Last October I replied to this thread with:
"But........ how do you REALLY know if there is ethanol mixed with the gasoline and what the actual percentage of ethanol REALLY is? Kind of like with the octane rating, what REALLY is going into my GMC's gas tank? Just because it says something on the pump doesn't mean it really IS!"
Now almost 4 months later, last nights Orlando WFTV news had a story on how ethanol is causing problems with fuel lines, etc. (We all know the story). The interesting part was when they showed that some stations were selling gasoline that had more, sometimes substantially more, ethanol than the 10% listed on the pump.
http://www.wftv.com/news/26876113/detail.html
So my statement from last year, how do you REALLY know what you're putting in your GMC, is accurate -- you really DON'T know what the concentration of ethanol is in the gasoline you're buying. It doesn't matter what it says on the pump!
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Get yourself several empty cough medicine bottles, or any small bottle, that you can see through and have measurement lines on he side. Harbor Freight has some that work well. Fill the bottles to the first division line with water. Now add gas from the pump to the 6th division line and cap the bottle. Shake the bottle for 3 seconds and watch the water settle out to the bottom. If it is at the same line than here is no alcohol. If it is at 1.5 then you are at 10%. If it is higher you can read that amount also.
We run most of our airplanes on Auto fuel. We fill up at a local non-ethanol station. We test EVERY tank of fuel we use this way. I also test unknown fuel this way when I'm on the road with my GMC. If you plan your stops appropriately you can buy pure gas on the road in most cases. The exception is the Peoples Republic of California where everything in the state must contain oxygenates (usually alcohol). I've heard that Minnesota is doing the same thing but I have not verified this.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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