Gas Pump Question

Malibu1 · 12-07-2010, 09:04 PM

Had a debate over this with a friend. If you pull up to a gas pump that uses a single hose for the low/mid/high grade fuel, are you getting the gas you are paying for? Lets say you pull up to the pump and pump 5 gallons of 92 into your car. Is the first 2 gallons in the pump/hose the 87 octane that the guy in front of you just purchased?
My buddy will not fill up his crotch rocket from a gas pump that does not have a dedicated hose for each grade of gas. He said if he pumps a couple gallons into his bike that most of it will not be the grade of gas for which he is paying for because of the volume of gas that is left in the pump/hose from the previous person that filled up. I thought this was kind of interesting.
I dont think it makes that much of a difference.

TheRox · 12-07-2010, 09:08 PM

the fuel you get is actually just a mix of different octanes.

including the highest octane. so doesn't matter if its single pump, just depends on how the gas station is set up.

volume of gas in the hose is negligible, they can't do much about it anyways

Buegie · 12-07-2010, 09:14 PM

assuming a ten foot hose with a one inch diameter, volume of gas in the hose is about 94 cubic inches or .41 gallons. In a car I would say that's negligible. A bike has a smaller tank, but still, not a big deal IMO

Kolyan2k · 12-07-2010, 09:15 PM

My friend used to do that too

BKV122 · 12-07-2010, 10:36 PM

LOL thought about this before and just today when i filled up. But came to the conclusion the amount of gas in the hose from the last usage wont matter

Coolieman1220 · 12-07-2010, 10:52 PM

find hoses that have last used 93...

jbake · 12-07-2010, 10:54 PM

I'm just happy I don't accidentally put diesel in lol.

bugmcw · 12-07-2010, 10:58 PM

yikes bake... low blow

Blubaron79 · 12-07-2010, 11:06 PM

Quote:

Originally Posted by TrackRat

Some people have WAY too much time on their hands...

I've seen people drain the pump hose after they shut the pump off - to be sure they got all that they paid for.

I hate people.

Malibu1 · 12-07-2010, 11:17 PM

I am not very worried about the price of the gas that I think I am buying, but I am about the octane gas that I think I am getting.

hipnotic · 12-08-2010, 12:22 AM

funny

Focus · 12-08-2010, 12:47 AM

Quote:

Originally Posted by jbake

I'm just happy I don't accidentally put diesel in lol.

I see what you did there

12-07-2010, 09:04 PM	#1
Malibu1 First Lieutenant 36 Rep 313 Posts Drives: Charger HC, Backdraft Cobra Join Date: Nov 2010 Location: Washington State iTrader: (2)	Gas Pump Question Had a debate over this with a friend. If you pull up to a gas pump that uses a single hose for the low/mid/high grade fuel, are you getting the gas you are paying for? Lets say you pull up to the pump and pump 5 gallons of 92 into your car. Is the first 2 gallons in the pump/hose the 87 octane that the guy in front of you just purchased? My buddy will not fill up his crotch rocket from a gas pump that does not have a dedicated hose for each grade of gas. He said if he pumps a couple gallons into his bike that most of it will not be the grade of gas for which he is paying for because of the volume of gas that is left in the pump/hose from the previous person that filled up. I thought this was kind of interesting. I dont think it makes that much of a difference.
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12-07-2010, 09:08 PM	#2
TheRox Colonel 119 Rep 2,312 Posts Drives: 6mt Join Date: Oct 2009 Location: Here and there iTrader: (2)	the fuel you get is actually just a mix of different octanes. including the highest octane. so doesn't matter if its single pump, just depends on how the gas station is set up. volume of gas in the hose is negligible, they can't do much about it anyways
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12-07-2010, 09:14 PM	#3
Buegie Captain 48 Rep 714 Posts Drives: 330xi Join Date: Feb 2008 Location: CT/DC iTrader: (2)	assuming a ten foot hose with a one inch diameter, volume of gas in the hose is about 94 cubic inches or .41 gallons. In a car I would say that's negligible. A bike has a smaller tank, but still, not a big deal IMO __________________ Black Dakota \| Aluminum \| Sport \| Premium \| Cold \| iDrive \| CA
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12-07-2010, 09:15 PM	#4
Kolyan2k Major General 928 Rep 5,538 Posts Drives: 2006 S2000 Join Date: Apr 2010 Location: Boston iTrader: (1)	My friend used to do that too
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12-07-2010, 10:36 PM	#5
BKV122 Major 47 Rep 1,160 Posts Drives: E90 Join Date: Feb 2009 Location: NY iTrader: (1) Garage List 2006 330xi [9.50]	LOL thought about this before and just today when i filled up. But came to the conclusion the amount of gas in the hose from the last usage wont matter __________________ Monaco Blue 330xi - Terra Interior/6-MT/Sport/Premium/Cold/CSL's/M3 Spoiler Lip/Black Kidney's
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12-07-2010, 10:52 PM	#6
Coolieman1220 Banned 73 Rep 1,770 Posts Drives: 2010 335d Join Date: Jul 2010 Location: New York City iTrader: (0)	find hoses that have last used 93...
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12-07-2010, 10:54 PM	#7
jbake OG 77 Rep 930 Posts Drives: F80 M3 Join Date: Feb 2007 Location: Cen Cal iTrader: (0)	I'm just happy I don't accidentally put diesel in lol.
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12-07-2010, 10:58 PM	#8
bugmcw jerk of all trades 11 Rep 469 Posts Drives: none Join Date: Sep 2010 Location: Chas, SC iTrader: (1)	yikes bake... low blow
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12-07-2010, 11:17 PM	#10
Malibu1 First Lieutenant 36 Rep 313 Posts Drives: Charger HC, Backdraft Cobra Join Date: Nov 2010 Location: Washington State iTrader: (2)	I am not very worried about the price of the gas that I think I am buying, but I am about the octane gas that I think I am getting.
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12-08-2010, 12:22 AM	#11
hipnotic Major General 149 Rep 6,604 Posts Drives: e92 335i Join Date: Oct 2007 Location: So. Cal iTrader: (7) Garage List 2008 335i coupe [7.00]	funny
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