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| Scion FR-S / Toyota 86 GT86 General Forum The place to start for the Scion FR-S / Toyota 86 | GT86 |
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#15 |
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European
I am half expecting a RON vs. AKI argument to follow my post... |
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#16 |
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RON all the way baby ;-)
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#17 |
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RON is just big numbers. I'll stick with AKI, thanks.
![]() As for Regular vs Premium, this discussion's been gone over a few times already. The different at fill-up is only a couple dollars. IMO, if you can't afford that, you can't afford this car. |
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#18 |
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#19 | |
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#20 |
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91 works. 94 gets me more power and better mileage, but not enough to justify the 25% price increase.
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#21 |
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All we have is 93 here in the southeast
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#22 |
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lower octane at altitude (such as Denver at 5000ft+ and typical 91 oct), is actually OK to use simply due to less ambient air density. Less air means there is less mass to compress, and less fuel is required to maintain proper mixture. So, overall, less heat is generated and preignition is less likely. Most stations around here sell 91 at the highest, a rare few will have higher.
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#23 |
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Not a troll, just a European who doesn't get American English, lol.
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| The Following User Says Thank You to cwb48 For This Useful Post: | WolfpackS2k (05-20-2013) |
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#24 |
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Highest I have around here is 91..... At least the stuff i'm using doesn't have any ethanol I guess, and it performs quite well and haven't had any engine knock or anything. I just make sure I visit the busy gas stations which happen to be close to home.
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#25 |
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Here in cali we get the worst... 91 octane max normally and up to 10% ethanol.
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#26 | |
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"Petrol" abbreviated from "Petroleum Distillate" "Essence" ? |
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#28 |
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Eh, until someone posts dyno sheets I doubt that you'd notice using your butt. My money is on < 5hp increase at most. I'd certainly buy it if it was available but I'd consider using 91 for daily driving.
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