"Maxima Speed" (maximaspeed)
10/17/2018 at 19:52 • Filed to: None
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"Maxima Speed" (maximaspeed)
10/17/2018 at 19:52 • Filed to: None | 1
| 22 |
The other day I expressed my surprise at seeing this phenomenon known as 93 octane gasoline. Yeah........ umm........... all the gas stations near me have 87, 89, and 93. So I actually put lower grade fuel in the car than what I normally do the other day.
MM54
> Maxima Speed
10/17/2018 at 20:00 |
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Why?
Chariotoflove
> Maxima Speed
10/17/2018 at 20:00 |
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That’s okay. I remembered my grades wrong on here once, and felt dumb the next time I went to the pump.
facw
> Maxima Speed
10/17/2018 at 20:04 |
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It’s still perfectly valid to wonder why we are 87,89, 93 instead of 87, 89, 91, given that there don’t seem to be many (if any) cars designed for 93.
I’m just hoping that by the next time the FP runs a story about the possible switch to just having 95, they’ve figure out that that’s 95 RON (90-91 in the US system), meaning it would be lower octane than current premium rather than higher.
Chuckles
> Maxima Speed
10/17/2018 at 20:08 |
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A lot of places around me have 87, 89, and 91 as their 3 grades. It’s usually at Sunoco where they have 93 as well. In the early 2000s, they used to have 94.
sony1492
> Maxima Speed
10/17/2018 at 20:35 |
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Sola ra requires premium?
wafflesnfalafel
> Maxima Speed
10/17/2018 at 20:49 |
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W ife’s car is 87, mine is 93 (or 92 because I can’t get anything better than 92 where I am at...) Interesting that other regions have 91 and 93? I have heard rumors of a mysterious station that will occasionally have 95 in the dead of night, but I haven’t found it yet....
BEER4Bonnieville
> Chuckles
10/17/2018 at 20:56 |
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Back in my day, Sunoco was 100+
Junkrat aka Rick Sanchez: Fury Road Edition
> Maxima Speed
10/17/2018 at 20:56 |
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This pump is at a local station.
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Maxima Speed
> Junkrat aka Rick Sanchez: Fury Road Edition
10/17/2018 at 21:09 |
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Im jealous.
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Maxima Speed
> sony1492
10/17/2018 at 21:09 |
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No but if I remember correctly the drivers manual recommends premium.
gogmorgo - rowing gears in a Grand Cherokee
> Chuckles
10/17/2018 at 21:14 |
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I’ve been seeing 94 recently in a few places. It’s sorta what happens when you dump ethanol into the mix. Octane r ating goes up.
CarsofFortLangley - Oppo Forever
> Junkrat aka Rick Sanchez: Fury Road Edition
10/17/2018 at 21:24 |
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But is that in Europe or something? We use (R + M) / 2 calculations for octane
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Junkrat aka Rick Sanchez: Fury Road Edition
> CarsofFortLangley - Oppo Forever
10/17/2018 at 21:45 |
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That’s in Oregon, and yes that is what you think it is. The 110 is even leaded. It’s the only pump I have ever seen with 92. It’s usually either 91 or 93.
someassemblyrequired
> Maxima Speed
10/17/2018 at 22:22 |
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Don’t go to WY, where premium is 89 and regular is 85.
Ash78, voting early and often
> CarsofFortLangley - Oppo Forever
10/17/2018 at 22:37 |
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Probably adjacent to a track is my guess.
I’ve seen a few like that. The prices tell the whole story (not shown).
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Ash78, voting early and often
> someassemblyrequired
10/17/2018 at 22:37 |
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High elevation. The results are the same, though. Science or something.
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someassemblyrequired
> Ash78, voting early and often
10/17/2018 at 22:47 |
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Yeah, thinner air means lower peak pressure so you don’t get knock even with the lower octane, at least in a carbed car.
With a fuel injected car, they generally compensate for altitude, but the newer systems have knock sensors, so should be ok on 85.
That being said I’m still paranoid and run 87 at high altitude.
ateamfan42
> Ash78, voting early and often
10/18/2018 at 10:09 |
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The prices tell the whole story (not shown).
This. It isn’t 100% clear, but the 100 PON appears to be $9.39/gal.
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ateamfan42
> Ash78, voting early and often
10/18/2018 at 10:11 |
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High elevation. The results are the same, though. Science or something.
The results are the same until you drive the car back down to lower elevations, and the 89 PON “premium” is suddenly way too low AKI for your high compression and/or forced induction engine.
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ateamfan42
> facw
10/18/2018 at 10:14 |
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It’s still perfectly valid to wonder why we are 87,89, 93 instead of 87,
89, 91, given that there don’t seem to be many (if any) cars designed
for 93.
There are lots of cars designed for 93 PON. I owned one (2006 Mazdaspeed6).
Many of the newest small turbo engines are designed for maximum performance with 93 PON. (Some can safely
run on regular with only slightly decreased output, which is a nice option for owners.)
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Ash78, voting early and often
> ateamfan42
10/18/2018 at 10:18 |
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Yeah...lead is expensive :D
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Junkrat aka Rick Sanchez: Fury Road Edition
> Ash78, voting early and often
10/18/2018 at 11:31 |
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That’s an old picture and the 110 is almost $10 a gallon. We don’t have any tracks around, I think it’s for the OHV’s on the dunes in Florence, but the station is still almost an hour away from there.