Thread: What fuel do you use?
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Old 04-03-2015, 03:55 PM
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velociabstract
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Default Re: What fuel do you use?
The OP is talking about using 87 octane in a car that calls for 91. My 300C pings with 87 octane at half throttle and higher. It's done it for 10 years every time I've put 87 in the tank. The manual calls for 89.

Les
 
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