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MyWorld · 03-08-2011, 03:10 PM

Lower octane fuel ' burns' easier. This is why low octane fuel can detonate a high performance engine. At altitude the oxygen content is slightly less. That is why 85 octane fuel burns like 87 would at sea level.

03-08-2011, 03:10 PM	#8
MyWorld Drives: RJT 2LT RS Join Date: Jul 2010 Location: Chicago, IL Posts: 250	Lower octane fuel ' burns' easier. This is why low octane fuel can detonate a high performance engine. At altitude the oxygen content is slightly less. That is why 85 octane fuel burns like 87 would at sea level.