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Single Hose Gas Pumps #4500019
08/28/17 05:39 AM
08/28/17 05:39 AM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline OP
SilverFusion2010  Offline OP
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
How much fuel is in that single hose?

Example:
If I buy 93, how much of the last guys 87 am I buying at the 93 price?
I'm running a tune and I want 93, not almost 93.

I can't find a station around here that has discrete hoses for each octane rating anymore.


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500023
08/28/17 05:57 AM
08/28/17 05:57 AM
Joined: Mar 2013
Posts: 4,786
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 4,786
The Midwest
I think I read about this once a long time ago and you can expect to get 1/10 of a gallon of the octane the previous customer pumped. My wife and I will use a pump a higher end car or motorcycle pulls away from if given the chance, not that it matters. We also try to use gas stations in better areas. A gas station in a bad or low income part of town removed from interstate travelers is probably selling higher octane gas that has been in the storage tank for many moons.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500024
08/28/17 05:59 AM
08/28/17 05:59 AM
Joined: Mar 2017
Posts: 5,480
Soviet State of Washington
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,480
Soviet State of Washington
I heard some time back that it's generally a 1/3 to gallon in the hose. It will depend on thehose as well. Some new pumps have a smaller diameter hose from the outside so I am assuming it's smaller inside as well.

The only way to guarantee 93 is to follow someone pumping 93.

Last edited by PimTac; 08/28/17 06:01 AM. Reason: Forum doesn't recognize 1/3

2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500025
08/28/17 06:02 AM
08/28/17 06:02 AM
Joined: Apr 2007
Posts: 2,835
WI.
dblshock Offline
dblshock  Offline
Joined: Apr 2007
Posts: 2,835
WI.
I've stopped twice now at a new KwikTrip in Fon du lac, WI. E091 on a seperate dedicated pump and hose right next to all the others so someones thought this through.


16 Civic Coupe Touring 33k
640:1 TCW-3 E091
Edge 0/40 XG7317
Firehawk Indy 500

06 4Runner SR5 141k
640:1 TCW-3
PP 5/30 XG3614
Falken Wildpeak AT3W
Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500062
08/28/17 07:11 AM
08/28/17 07:11 AM
Joined: Dec 2011
Posts: 4,755
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 4,755
North Carolina
Is this really something to worry about? The difference will be completely negligible.

Your 93 tune should not be so close to the ragged edge to where this affects you even slightly.


"Zed's dead baby, Zed's dead."
Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500067
08/28/17 07:18 AM
08/28/17 07:18 AM
Joined: Jun 2003
Posts: 17,370
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,370
Deplorable in apple valley, ca
I have also thought about this. My maveric calls for 93 octain. But only 91 is available here and its watered down with 87 left in the hose.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500105
08/28/17 08:11 AM
08/28/17 08:11 AM
Joined: Jan 2013
Posts: 1,353
America's Dairyland
LotI Offline
LotI  Offline
Joined: Jan 2013
Posts: 1,353
America's Dairyland
I was told that there could be 2-3 gallons in the mixer. There's more than just the hose


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]
Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500158
08/28/17 09:13 AM
08/28/17 09:13 AM
Joined: Dec 2016
Posts: 6,262
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,262
Waco, TX
The more you buy at once, the better the odds you get what you want.

I've always heard between .25-.50 gallons in the hoses and valve assembly.

I've been thinking about bringing a gas can in my truck. I can dump the first gallon in my truck, then the next 5 in the gas can.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Single Hose Gas Pumps [Re: Linctex] #4500165
08/28/17 09:27 AM
08/28/17 09:27 AM
Joined: Aug 2010
Posts: 5,685
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,685
Champlain/Hudson Valley
Calculating the volume of a hose = A good math exercise

The volume of the mixer etc. = intel

Fretting the delta in octane = BITOGers OCD = CHARMING

Waiting for a high end car or motorcycle to leave a pump = Something a stalker would be better at doing

"I can dump the first gallon in my truck, then the next 5 in the gas can." = Additional risk by complicating the handling of a dangerous fluid

I say, "Have a good time". The nasty people around me would say, "Get a life". I don't say that to people.

Re: Single Hose Gas Pumps [Re: rooflessVW] #4500167
08/28/17 09:32 AM
08/28/17 09:32 AM
Joined: Jul 2015
Posts: 3,772
MD
AirgunSavant Offline
AirgunSavant  Offline
Joined: Jul 2015
Posts: 3,772
MD
Originally Posted By: rooflessVW
Is this really something to worry about? The difference will be completely negligible.

Your 93 tune should not be so close to the ragged edge to where this affects you even slightly.

Glad you said it smile drama........

Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500263
08/28/17 11:02 AM
08/28/17 11:02 AM
Joined: Oct 2014
Posts: 1,006
SW Ontario Canada
KGMtech Offline
KGMtech  Offline
Joined: Oct 2014
Posts: 1,006
SW Ontario Canada
The octane per each grade is a MINIMUM, rest assured that if you are paying for 93 min octane, that's what you'll get at a MINIMUM.


2017.5 Nissan Rogue SV FWD
2013 Nissan Maxima SV
2009 Ford Flex SEL FWD
1984 Yamaha XJ750RL
Re: Single Hose Gas Pumps [Re: rooflessVW] #4500280
08/28/17 11:21 AM
08/28/17 11:21 AM
Joined: Feb 2014
Posts: 2,491
Canada
Lolvoguy Offline
Lolvoguy  Offline
Joined: Feb 2014
Posts: 2,491
Canada
Originally Posted By: rooflessVW
Is this really something to worry about? The difference will be completely negligible.


This is BITOG. Where everything is worth worrying about!
Coffee


06 Lexus IS350- Wife
88 BMW 325is- Mistress
Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500296
08/28/17 11:33 AM
08/28/17 11:33 AM
Joined: Jun 2003
Posts: 5,921
Illinois
SHOZ Offline
SHOZ  Offline
Joined: Jun 2003
Posts: 5,921
Illinois
So what is the ID of most hoses, 1/2"-5/8" maybe? And 10' of hose?

Pipe Volume Calculator


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
Re: Single Hose Gas Pumps [Re: rooflessVW] #4500314
08/28/17 11:55 AM
08/28/17 11:55 AM
Joined: Jul 2003
Posts: 2,385
MN
tmorris1 Offline
tmorris1  Offline
Joined: Jul 2003
Posts: 2,385
MN
If you are only buying a gallon or 2 for my mower or dirtbike and I am paying for the Premium Non-Oxygenated stuff I don't want to get a gallon of ethanol laced fuel. For me it isn't the octane that I am worried about, but I don't want the ethanol in it.

Re: Single Hose Gas Pumps [Re: SilverFusion2010] #4500423
08/28/17 01:49 PM
08/28/17 01:49 PM
Joined: Dec 2003
Posts: 9,805
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,805
Florida, Cape Coral
When I was very young, I'd wait till the local gas station was closed and take a gallon can and empty all gas hoses to get gas for my car. I never got a full gallon from the 6 separate pumps. Ed


CX5 Touring 2.5L :-)
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