Top Tier Gas or 100% gas?

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Deinonychus

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A person with a late model SRT Charger, with a data system, said he got the least knock retard with 50-50 blend of Exxon 93 octane and Gate 89 octane ethanol-free gas.

He stated that Shell had the greatest knock retard of all the major gasoline brands. I too had heard that from a tuner in south Florida.

I know a few places in Jacksonville with ethanol-free 89 octane gas, but don't know where I can get ethanol-free 93 octane gas. Is there a north Florida location with ethanol-free 93 octane gas?
 

locouno

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my tuner for my gt 500 thought i was running race fuel for the longest time until he found out we had non ethanol where i was from. Then we got forced into the crap went from 738 rwhp to 719 rwhp cuz he had to pull timing also lost almost 2 mpg. We still have 89 non tainted at pump at 30 cent more a gallon.
 
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mpk1996

mpk1996

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not sure on the 93. i was just looking at the 100% stations in the area. not sure if its 93 or only 89. i will try and check it out tomorrow.

A person with a late model SRT Charger, with a data system, said he got the least knock retard with 50-50 blend of Exxon 93 octane and Gate 89 octane ethanol-free gas.

He stated that Shell had the greatest knock retard of all the major gasoline brands. I too had heard that from a tuner in south Florida.

I know a few places in Jacksonville with ethanol-free 89 octane gas, but don't know where I can get ethanol-free 93 octane gas. Is there a north Florida location with ethanol-free 93 octane gas?
 
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