 Octane rating. |
 Sep 12, 2010 - 10:42 PM
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Enthusiast  Joined Jul 28, '10 From Wrentham, MA Currently Offline Reputation: 0 (0%)  |
i was wondering what people used for gas in their cars octane wise for a 5sfe, ive heard that it really doesnt matter especially with a stock 5s and i noticed a few posts of people saying they use 91 but i assume those were on swaps and cant seem to get to the bottom of this..
what the hell does it matter? lol and what SHOULD i use? thanks for any input to put my mind to rest =D |
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Sep 12, 2010 - 11:03 PM
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 Enthusiast Joined Apr 17, '10 From U.P. michigan GO STATE Currently Offline Reputation: 3 (100%) |
dont you have to use 91 if you advance or retard your timming?
This post has been edited by 4-eyed-freek: Sep 12, 2010 - 11:03 PM -------------------- It takes 8,460 bolts to assemble an automobile, and one nut to scatter it all over the road.
 Celica: The name is derived from the Spanish word for "heavenly" or "celestial". Back-2-Back July COTM 15&16 |
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Sep 12, 2010 - 11:09 PM
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 Enthusiast Joined Dec 26, '09 From Albuquerque, NM Currently Offline Reputation: 19 (100%) |
QUOTE (4-eyed-freek @ Sep 12, 2010 - 10:03 PM)  dont you have to use 91 if you advance or retard your timming? Octane rating is a system used to measure how 'difficult' it is to ignite gasoline. Higher octane rating = harder to ignite. Reason racing fuel has such a high octane rating is because they don't wanna risk the gas igniting when it's not supposed to. Personally, I only fill up with Chevron premium. Proven results on my dad's 4AGE. 300,000 miles, only Chevron premium. This post has been edited by HectortheRican: Sep 12, 2010 - 11:10 PM -------------------- taking too long to mod since '09
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Posts in this topic
zakinabox Octane rating. Sep 12, 2010 - 10:42 PM
HectortheRican For bragging rights, 91+
For financial smartness, ... Sep 12, 2010 - 10:56 PM Johnnyny cheap gas is fine Sep 12, 2010 - 10:56 PM dudeofchaos Shell V-Power or run outta gas, nothing else goes ... Sep 12, 2010 - 11:01 PM monkey_matt 99+octane, altho that is in the UK, on a Jap impor... Sep 13, 2010 - 1:44 AM b22ri22an a stock 5s in the US will run the same on 87 octan... Sep 13, 2010 - 2:30 AM
samir0189 QUOTE (b22ri22an @ Sep 13, 2010 - 3... Sep 13, 2010 - 6:12 AM richee3 QUOTE (samir0189 @ Sep 13, 2010 - 6... Sep 13, 2010 - 1:28 PM Stambo i run 93 but that is because i have a 3sgte Sep 13, 2010 - 1:41 PM cyberblader1130 Im not sure on the octane rating, im guessing its ... Sep 13, 2010 - 3:22 PM |
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