Five Flavors

"Rusty Vandura - www.tinyurl.com/keepoppo" (rustyvandura) 07/13/2019 at 10:34 • Filed to: None

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Maverik, Logan, Utah

Sovande > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 10:40

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And no 93?

fhrblig > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 10:45

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I saw a gas station selling E-15 for the first time. It was the same price as regular unleaded. I feel like it needs to be cheaper. My ProMaster can run on it, but why bother?

fhrblig > Sovande 07/13/2019 at 10:46

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Because altitude. Or at least that's the excuse most often used for why we aren't offered it in the mountain states.

My bird IS the word > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 11:03

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Ethanol free 88 octane? Can we get that in pittsburgh please?

ttyymmnn > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 11:06

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Meanwhile, in South Dakota...

66P1800inpieces > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 11:15

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Interesting Clear 88 is ethanol free.   I remember that Sunoco’s in NJ routinely had 94 octane for sale and a couple of branded Sunoco’s had purple pumps for 100 octane or similar.  

Under_Score > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 11:21

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85 octane? Around here, you either get 87 or 93. 

HammerheadFistpunch > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 11:27

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i ways to it was weird Maverick had 2 different mid grade blends. why?

HammerheadFistpunch > fhrblig 07/13/2019 at 11:27

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correct.

HammerheadFistpunch > My bird IS the word 07/13/2019 at 11:28

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it's still pretty rare here. about one in 10 Mavericks have it.

HammerheadFistpunch > Under_Score 07/13/2019 at 11:28

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altitude

CarsofFortLangley - Oppo Forever > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 11:40

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Gas buffet! Mix them all

wafflesnfalafel > Sovande 07/13/2019 at 11:58

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W e don’t get 93  out in the PNW either - 92. That 85 has got to make just about any car ping... We have a farm co-op that offers ethanol free, but thats about it, (and it’s super expensive...)

fhrblig > HammerheadFistpunch 07/13/2019 at 12:07

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The Maverik by my house has it, but I don't really have a good reason to buy it.

fhrblig > wafflesnfalafel 07/13/2019 at 12:07

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I’ve used 85 in every car I've ever owned. No pings here.

fhrblig > ttyymmnn 07/13/2019 at 12:09

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If I had a flex-fuel vehicle, I would probably consider using the 20-30 blends.

MM54 > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 12:24

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When the local Sheetz remodeled, they put in new pumps which have five options:

Flex (20-80% water ethanol)
E15 @ 88 octane
87 (E10)
89 (E10)
93 (E10)

I have overheard many people at adjacent pumps who seemed overwhelmed by the options.

MiniGTI - now with XJ6 > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 13:32

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Also only .30 spread between 85 and premium. It’s almost a dollar around here. 

Grindintosecond > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 13:58

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Can’t resist making a graveyard when i see that many flavors at a soda fountain.

HammerheadFistpunch > fhrblig 07/13/2019 at 14:27

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it makes a noticeable difference in mileage for my cars, but it’ s also maverick gas which...yuck. I use it mostly for small motors - lawnmowers, outboards, 4 wheels, etc. and if I don’t plan on driving my vehicle for a while since the fuel wont phase separate . it only takes about 10-14 days before ethanol gas phase separates and starts grabbing water out of the air.

fhrblig > HammerheadFistpunch 07/13/2019 at 14:43

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I haven’t had a problem with their gas, but that’s in my work vehicle. Fuel doesn’t get a chance to sit in it for long. I usually get my gas from a King Soopers fuel center, or from my regular cigar shop which also happens to be a gas station.

wafflesnfalafel > fhrblig 07/13/2019 at 15:22

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W onder if they add something else to it, (we’ve had both an 05 Altima and 01 Civic that would ping even on 87 in the summer.) Maybe higher ethanol content helps?

fhrblig > wafflesnfalafel 07/13/2019 at 16:34

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I think it really is just the altitude. The only car I’ve ever seen have problems with 85  was our Juke that required premium, and even then it didn’t ping on it. The loss of power was definitely noticeable though.

Rusty Vandura - www.tinyurl.com/keepoppo > Grindintosecond 07/13/2019 at 19:50

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Is a graveyard where you mix everything together?

Rusty Vandura - www.tinyurl.com/keepoppo > MiniGTI - now with XJ6 07/13/2019 at 19:55

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I’ve had to pay $0.30 a gallon to get from 85 to 87 octane already. But that's still a good deal cheaper than we pay in California in the San Francisco Bay Area.

Under_Score > HammerheadFistpunch 07/13/2019 at 20:52

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I know nothing about altitude & its impact on gas. Why does weaker gas work better in the mountains?

shop-teacher > Rusty Vandura - www.tinyurl.com/keepoppo 07/13/2019 at 21:09

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I would have bought the ethanol free 88. Occasionally I find ethanol free gas when I'm in rural Wisconsin. My truck always gets better fuel mileage.

Rusty Vandura - www.tinyurl.com/keepoppo > shop-teacher 07/13/2019 at 21:24

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I bought regular gasoline somewhere in Nevada and my van started hanging soon thereafter. I realized at the next fuel pit stop that I had filled with 85 octane fuel. I always run 87. then I realized that the great fuel prices were always for 85 octane and that The next step up was 88 octane and that was always like $0.30 a gallon more. But paying for the 88 octane was cheaper than adding octane boost liquid, and still cheaper by $0.30 or more per gallon than what I was paying in California, so I’ve just been paying for 87 or 88 octane whichever is available.

WhereI live in the San Francisco Bay Area, there is a special fuel formulation that is mandated by law that has extra oxygenates in it. This displaces BTU capacity and returns marginally lower fuel economy. But I really like where I live, and I'm willing to put up with a lot to live there.

Rusty Vandura - www.tinyurl.com/keepoppo > shop-teacher 07/13/2019 at 21:39

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Pinging...

HammerheadFistpunch > Under_Score 07/13/2019 at 23:32

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The TLDR is that the air is less dense at elevation which for NA motors means less knock prevention is necessary because cylinder pressures are lower.

10:1 compression at 14.7 psi = 147 psi cylinder pressure which would require 87 octane to resist compression ignition.

at my elevation the air pressure is 12.29 psi (all things being equal) meaning cylinder pressure on the same motor is 123 psi, which only really needs 85 octane to prevent detonation in this case . Any additional knock prevention is just a waste of money.

With Turbo and other FI cars, it gets a little more complicated but those cars usually require 87-91 no mater where you are. some require 93 and that gets tricky.

Under_Score > HammerheadFistpunch 07/13/2019 at 23:39

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The terminology is a little confusing, but thank you for explaining it. I didn’t know the altitude impacted cars more than that they needed power to get up hills.

Grindintosecond > Rusty Vandura - www.tinyurl.com/keepoppo 07/14/2019 at 00:15

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ya. some call them suicides. I’ve heard other names but my kid-universe called them graveyards

shop-teacher > Rusty Vandura - www.tinyurl.com/keepoppo 07/14/2019 at 08:41

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I figured that's what you meant.

duurtlang > Rusty Vandura - www.tinyurl.com/keepoppo 07/14/2019 at 11:00

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The way octane is measured is different in the US, but here in Europe the regular gasoline is 95 octane (91 in US units). So none of the 85-89 grades you have are even available. What do you do when you have a car that truly needs premium, as in 93+ US octane fuel?

Rusty Vandura - www.tinyurl.com/keepoppo > duurtlang 07/14/2019 at 11:06

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Pay through the nose or introduce an additive that boosts octane.

ateamfan42 > duurtlang 07/15/2019 at 13:41

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What do you do when you have a car that truly needs premium, as in 93+ US octane fuel?

Cry, and then suffer with 91 PON.  At least that’s what I did in 2009 when all the premium in my state switched to “California spec”.  Fortunately in more recent years, some of the places are finally switching back to 93.

ateamfan42 > shop-teacher 07/15/2019 at 13:45

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My truck always gets better fuel mileage.

It should. Ethanol has a lower energy density than gasoline, so a gallon of E10 can’t deliver quite the same energy as a gallon of pure petrol.

https://en.wikipedia.org/wiki/Gasoline_gallon_equivalent

shop-teacher > ateamfan42 07/15/2019 at 18:45

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I know :)

Rusty Vandura - www.tinyurl.com/keepoppo > HammerheadFistpunch 07/16/2019 at 13:33

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My Safari 4.3 seems to be not particular about gasoline as long as it's 87 octane. And that's pulling the tent trailer at various loads and speeds.

Rusty Vandura - www.tinyurl.com/keepoppo > HammerheadFistpunch 07/16/2019 at 13:35

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Rather then compression-ignition, would you not more correctly say, detonation?

The altitude did not keep my Safari 4.3 from pinging with 85 octane fuel.

Thank you for taking the time to explain this.

Rusty Vandura - www.tinyurl.com/keepoppo > ateamfan42 07/16/2019 at 13:36

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ItIt seems likely to me that out here in corn and potato country, there's a political layer to that as well.

Rusty Vandura - www.tinyurl.com/keepoppo > MM54 07/16/2019 at 13:38

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I just wanted to reply to you and say that S heetz is my favorite convenience store in the universe. My family hails from Somerset County, Pennsylvania. That’s where I was introduced to Sheetz convenience stores. Maverik convenience stores are 1B while S heetz is 1A.

HammerheadFistpunch > Rusty Vandura - www.tinyurl.com/keepoppo 07/16/2019 at 20:34

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I put 85 in the “premium required" gx unless I'm towing. It don't care. Then there was the idiot I met in Mexican hat complaining that when he put 85 in his ecboost f150 pulling a 30 foot trailer he got a check engine light. Well...yeah!

Rusty Vandura - www.tinyurl.com/keepoppo > HammerheadFistpunch 07/17/2019 at 00:32

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If you don’t have a clue, then it’s impossible to be any more clueless.

I wanna see an Ecopoof engine worked as hard as my 4.3 when it's 12 years old and 125k miles.