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What octane do u use?

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Old 08-19-2010, 07:40 PM
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110????? holy shit. talk about blowing up an engine. let me know how it works out buddy...

reading everyone elses posts... im sticking to the regular. thanks guys.

ps... i put 89 today. big difference!! like $3
Old 08-19-2010, 08:13 PM
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Originally Posted by Widowmaker
I use 87 also. Don't see the point of going higher. Its not like its going to make a huge performance difference for the cost difference. But now that I'm thinking of it, there is a gas station not too far from me that has 110....that might make the JK a bit peppy
Don't put that that crap in your Jeep. Octane is a measure of a fuels resistance to ignition. For the most power (and therefore mileage), an engine should be fed the fuel with the least octane that does not cause detonation (pinging). Engines with high compression or forced induction will benefit from the higher octane of the 110. Your engine will make LESS power and if it's a highly oxygenated fuel you can seriously lean out and damage your engine. I think those high O2 fuels are "pail" only, though, not pumped.

Octane only means power if the engine is built for it.
Old 08-19-2010, 08:24 PM
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Originally Posted by tslewisz
Don't put that that crap in your Jeep. Octane is a measure of a fuels resistance to ignition. For the most power (and therefore mileage), an engine should be fed the fuel with the least octane that does not cause detonation (pinging). Engines with high compression or forced induction will benefit from the higher octane of the 110. Your engine will make LESS power and if it's a highly oxygenated fuel you can seriously lean out and damage your engine. I think those high O2 fuels are "pail" only, though, not Hpumped.

Octane only means power if the engine is built for it.
Or have a programmer that you can tune it to 91 or 93. So basically no programmer 87 is the way to go...



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