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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Boxster General Discussions
93 octane gas only?

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06-23-2007, 01:47 AM	#18
Peer Registered User Join Date: Nov 2006 Location: Palo Alto, CA Posts: 292	JackG wrote: > In an engine optimized to burn 87, you don't make or lose HP by > using 93. You just pay more money. Well, actually the best matching octane/timing would be a compression that's just on the limit to ping. However, since pinging is bad for the engine, the manufacturers are usually exaggerating the recommended octane rating just to be on the safe side. -- peer

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