Thread: Avoiding Pinging with 91 Octane California Gas
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Old 11-27-2015, 06:19 PM
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jhirasak jhirasak is offline
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Join Date: Feb 2012
Location: Redondo Beach, CA
Cobra Make, Engine: 331 SB, AFR heads
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JHV48

My engine ran without pinging while using 93 octane gas but now that I live in California, I am having trouble with pinging while using the available 91 octane Shell premium gas. As per comments to my questions, I will try some of the other recommended brands of premium pump gas to see if they will perform satisfactorly without the need of octane booster addition.

Thanks to all of you who responded to my questions.

Cheers,

John
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