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Old 01-13-2010, 01:37 PM   #1
Stames_wiltz
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Member#: 143264
Join Date: Mar 2007
Chapter/Region: RMIC
Location: Utah
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2006 WRX TR
Obsidian Black Pearl

Wink I have a secret...



somebody notice something unusual?

85
87
89
92

I know where it is, and it is in Utah
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Old 01-13-2010, 01:41 PM   #2
UT_Evo
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7-Eleven, on 6200 S and just about Bangerter.

7-ELEVEN (#18345)
6215 S DIXIE DRIVE
WEST JORDAN, Utah 84084-1001
(801) 966-1306

To be more exact.

Many more of the 7-Elevens may have the same set-up though, as lots of them get their gas from the same location.
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Old 01-13-2010, 01:43 PM   #3
Stames_wiltz
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^^^ I was hoping to get people begging.

Oh well cats out of the bag, Utah has 92 at the pump Too bad it still has the single hose dispenser instead of the 3 or in this case 4 separate dispensers for the fuel.
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Old 01-13-2010, 02:02 PM   #4
Mush04
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Is that one point of octane going to be much of a difference though?
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Old 01-13-2010, 02:08 PM   #5
UT_Evo
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I know I've driven past a few others and seen that they have 4 buttons too.

Sorry to ruin the secret... I've filled up there before, my friend lives right by there. Plus, I do IT for 7-Eleven
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Old 01-13-2010, 02:09 PM   #6
UT_Evo
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Quote:
Originally Posted by Mush04 View Post
Is that one point of octane going to be much of a difference though?
Someone should find out... I mean, we know 93 is way better than 91... I wonder if 92 is decently better, as in worth it to only go to the 7-Elevens.
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Old 01-13-2010, 02:29 PM   #7
aclver1
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70 Datsun Fairlady

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I saw a report that said 7-11 had worst gas you could buy.
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Old 01-13-2010, 02:31 PM   #8
Stames_wiltz
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I talked with the owner of Kellerstrass (huge supplier of gas and oil[sunoco race fuels]) and he said for every 1000 ft raise in elevation you gain 1 octane. He also said our 91 octane recipe would be similar to east coast sea level 87. There 93 octane would be a 97 octane in utah.

So here is the theory with octane and psi;

you have altitude vs. Pressure

-500 ft below sea level is going to have a pressure of 15.25

0 ft above = 14.70

1,000 = 14.18

2,000 = 13.67

3,000 = 13.19

4,000 = 12.70

We are at 4,300 ft above sea level = roughly 12.57

4,500 = 12.45

If this is the case that 1 octane is added by every 1,000 ft, then in theory adding another 1 octane should allow for additional atmosphere (boost pressure) to be utilized up to the same as 1,000 ft elevation change.

so we could safely add 0.485 or half a lb of boost. Not that much of a difference when hunting for power, but having that extra 1 octane will definitely help prevent knock when tuned close to the knock threshold on 91.

Remember, STi's are designed to run on 93 octane and 91 is okay if 93 isn't available (per car manual).

Me personally, I would rather have 20 psi peak then 19.5.

Link to pressure vs. altitude chart http://www.omega.com/techref/techdata.html#altitude
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Old 01-13-2010, 03:10 PM   #9
Mush04
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Quote:
Originally Posted by aclver1 View Post
I saw a report that said 7-11 had worst gas you could buy.
this is my other thought on being able to use the 92 oct rather than chevron's 91.....
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Old 01-13-2010, 03:14 PM   #10
wrxodee
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hahaha i love how the secret lasted a total of 4 minutes.
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Old 01-13-2010, 03:26 PM   #11
mp3moose
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Wow, never seen 85 before.
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Old 01-13-2010, 03:26 PM   #12
mp3moose
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double

Last edited by mp3moose; 01-13-2010 at 03:28 PM. Reason: double post
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Old 01-13-2010, 03:36 PM   #13
SkiWrex
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I wish we had 93...hell when I was in Idaho a couple weeks ago I found several stations that sold 93.
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Old 01-13-2010, 03:36 PM   #14
medamullet
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gas is for washing parts and cleaning tools
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Old 01-13-2010, 03:41 PM   #15
SXti
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Intresting... so Cheveron/Shell 91 or 7-11 nachos and 92?
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Old 01-13-2010, 04:01 PM   #16
Zand
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Quote:
Originally Posted by aclver1 View Post
I saw a report that said 7-11 had worst gas you could buy.
And some of the best drunk munchies, yum yum
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Old 01-13-2010, 04:14 PM   #17
pumpkyn
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i saw the pump and figured 711 since they are the only ones i know of that give you 4 choices at the pump
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Old 01-13-2010, 04:21 PM   #18
bhhamblin
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93 R32 GTS-T, 93 R32 GTR

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Quote:
Originally Posted by Stames_wiltz View Post


somebody notice something unusual?

85
87
89
92

I know where it is, and it is in Utah
Thanks to Clark
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Old 01-13-2010, 05:21 PM   #19
super-ru
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That little station next to east high school has been selling 92 for years. You are a little late to the party
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Old 01-13-2010, 05:37 PM   #20
Not-EWRX
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They prob just dump a bottle of this in there storage tank.
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Old 01-13-2010, 05:40 PM   #21
fourmicah
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There is a gas station in Taylorsville that has 100 Octane on one of there pumps (at least they did a year ago). Its about 4900 South and Redwood Road, across the street from the skate park. They also sell a number of other options in octane up to VP 116 in 3 gallon cans if I remember right.
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Old 01-13-2010, 05:41 PM   #22
Soccerkid52688
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Hi I'm from New York and 93 octane is all over we have too much of it. But we don't like to share very much. bye.
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Old 01-13-2010, 05:41 PM   #23
bhhamblin
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Yeah. They still have 100 at the pump there. There is 2 or 3 stations down by my house that have 100 at the pump also.
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Old 01-13-2010, 05:45 PM   #24
fourmicah
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Quote:
Originally Posted by Soccerkid52688 View Post
Hi I'm from New York and 93 octane is all over we have too much of it. But we don't like to share very much. bye.
Ya, I've heard that about New Yorker's, bunch of selfish bastards! You guys are lucky to have it everywhere!
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Old 01-13-2010, 07:22 PM   #25
neko
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I wish. SE Idaho only gets 91. You can get 92/93, but its 5/10% ethanol. If you want straight gas, 91 is the highest. Then of course, i go to N. Idaho several times a year (which is a half the elevation, of course), and i see straight 93 oct at chevron's everywhere. Dang it... And usually 10-20cents cheaper a gallon too...
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