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> RON octane
post Feb 8, 2005 - 5:46 AM
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CoSo



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In the manual, it says that the Celica should run on 91 or higher RON octane.

I was wondering if there's any benefit to running 98 RON (as per BP Ultimate) consistently, and most importantly, whether it has any side effects or detriments to the car in the long or short term? Sorry if this has been asked before, search didn't come up with much.


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post Feb 8, 2005 - 9:27 AM
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Supersprynt



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You wont notice a difference, the higher octane simply is used to fight off preignition. Everyone who notices a difference well, its psychological.


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post Feb 8, 2005 - 11:36 AM
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Mr_E



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QUOTE(Supersprynt @ Feb 8, 2005 - 9:27 AM)
You wont notice a difference, the higher octane simply is used to fight off preignition. Everyone who notices a difference well, its psychological.
[right][snapback]243370[/snapback][/right]


Want a bet? My car is supposed to run on 100 octane jap fuel. On standard 95, it retards the ignition to prevent detonation. It's noticeably less rapid.

QUOTE(popstar @ Feb 8, 2005 - 9:10 AM)
i found no noticable difference usinf 95 or 98 (apart from price) in my GT-4.....
but i'm not a hard driver.... so.....

    but that's just me, someone else may have some facts for you when they wake up wink.gif
[right][snapback]243369[/snapback][/right]


My four will run on 95, but it much prefers 98.


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