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05-09-2007, 11:53 AM | #1 |
Scooby Newbie
Member#: 52819
Join Date: Jan 2004
Vehicle:2002 wrx blu |
Premium Gas Gone Bad at the pump?
I have been buying gas at Costco in Hillsboro and only put in premium. Got a bad batch of gas in the other day and my car stunk like rotten eggs. Thinking it was the cat converter.
Since the gas prices are so high right now. Im assuming that few people are buying premium for their cars and that gas sits in the tanks for a long time, thus collecting garbage and water. All the stations say that they use the finest water separators and filters, but my car thinks otherwise. So Im on regular gas with a low boost map. I cant trust premium to be quality gas anymore, just will add some Torco to boost the octane. Is anyone else running into this now that the prices are through the roof? -Brant
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05-09-2007, 12:03 PM | #2 |
Scooby Specialist
Member#: 110567
Join Date: Mar 2006
Chapter/Region:
NWIC
Location: Oregon
Vehicle:2009 JK Sunburst Orange |
i have no problems with the stations i use.
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05-09-2007, 12:18 PM | #3 |
Scooby Guru
Member#: 84547
Join Date: Apr 2005
Chapter/Region:
NWIC
Location: PDX S-SE
Vehicle:06, Lafawnduh Fender rolling king |
i run torco with 92* al the time...
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05-09-2007, 12:19 PM | #4 |
Scooby Specialist
Member#: 31016
Join Date: Dec 2002
Chapter/Region:
NWIC
Location: Portland, OR
Vehicle:2016 Focus RS (blue) 2005 WRX Wagon (white) |
*shrug* i only put chevron in my vehicles. never have any problems.
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05-09-2007, 12:33 PM | #5 | |
Scooby Specialist
Member#: 93205
Join Date: Aug 2005
Location: WA
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Quote:
Costco really moves a lotta fuel, so again I doubt this statement. It is entirely possible that you got some bad gas, but that's most likely due to random occurance or the filter not doing a good enough job. |
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05-09-2007, 12:46 PM | #6 |
Scooby Specialist
Member#: 104207
Join Date: Jan 2006
Chapter/Region:
NWIC
Location: Rock Creek (Portland)
Vehicle:2006 Stage 2 STi Blue |
Chevron FTW!
Seriously, I would not even consider buying gas from Costco, or Fred Meyer... |
05-09-2007, 01:39 PM | #7 |
Scooby Specialist
Member#: 75638
Join Date: Nov 2004
Chapter/Region:
NWIC
Vehicle:new metalocalypse is effin funneh |
tell me more about this low boost map and regular gas.. this interests me.....
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05-09-2007, 01:54 PM | #8 |
Scooby Specialist
Member#: 80109
Join Date: Jan 2005
Chapter/Region:
NWIC
Location: Auburn, WA
Vehicle:07 spec B |
i work at costco and know a thing or two about the gas stations so ill offer my input.
at my store at least, the gas station is crazy busy, both regular and premium, so if you came to the federal way costco gas sitting in the tanks for a long time simply does not happen. as for water in the tanks, we all have a constant monitoring system that detects any amount of water inside the tanks, and will trigger alarms with anything above .25 inches of water, which is an amount ive been told would be VERY hard to get through the system, seeing as how the tanks are 80 inches tall, the pickup is an inch or two off the floor, and the filters are pretty good. still, the possibility is out there, as i can only speak for my gas station and how we take care of it, not other costco's |
05-09-2007, 02:09 PM | #9 |
Scooby Specialist
Member#: 145422
Join Date: Apr 2007
Chapter/Region:
NWIC
Location: Buckley, WA
Vehicle:1989 Mustang Foxbody White |
nope no problems here. I run Cennex 94 octane FTW!! And if I happen to be out fartin around and I can't get gas there i always put 76, Shell or Chevron in.
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05-09-2007, 03:34 PM | #10 |
Scooby Newbie
Member#: 52819
Join Date: Jan 2004
Vehicle:2002 wrx blu |
The low boost map is running on the Access Port. PDX tuning did this map for me. The waste gate is pretty much open all the time. I only produce about 1 (14psi) bar of pressure. The hi boost map gives me roughly 1.5bar (21psi).
Takes some zip outta it but oh well. Doesn't save any more on gas mileage. The best way to save on mileage is keep out of the boost. Anything past 0 psi is sucking large amounts of gas. -Brant |
05-09-2007, 03:41 PM | #11 |
Scooby Guru
Member#: 102140
Join Date: Dec 2005
Chapter/Region:
South East
Location: Tampa Bae
Vehicle:2016 Single Speed or Death |
so basically what you are saying is... you are running near to stock boost... on regular gas..
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05-09-2007, 04:16 PM | #12 | |
Scooby Specialist
Member#: 111641
Join Date: Apr 2006
Chapter/Region:
MWSOC
Location: St. Louis, MO
Vehicle:2020 CWP STi RIP - 06' WRX w/ 6spd |
Quote:
Demand elasticity of gasoline on average is usually around -.05 but can also get up to around .1 Either way, its pretty much totally inelastic unless gas prices go up like 100% |
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05-09-2007, 04:48 PM | #13 |
Scooby Specialist
Member#: 84443
Join Date: Apr 2005
Chapter/Region:
NWIC
Location: Ducks, OR
Vehicle:2017 WRX LTD CVT LBP 2015 Forester XT |
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05-09-2007, 05:40 PM | #14 |
Scooby Specialist
Member#: 105929
Join Date: Jan 2006
Chapter/Region:
TXIC
Location: far enough from you
Vehicle:2004 wagon shiny |
my exhaust is a lil more rank now when i start up. but once the car warms up it goes away.
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