Quote:
Originally Posted by Mikebrinda
Race fuel 2014 Z/28 question:
Does the engine management software immediately "see" the use of racing fuel when added, or does the engine management software remain set to the octane level of the car's first tank of fuel, unless some fuse is pulled to reset software/engine mapping?
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I wondered this when I was tracking a C63 AMG. At Sears Point I added unleaded 100-octane racing fuel to my existing tank, which gave me something around 97 octane overall. i could NOT believe the difference; it was NOT subtle!
I have to assume that most modern performance cars will make always adjust the performance parameters just below the point where spark knocking might occur, whether you're running cheap gas or race fuel. I'm hoping the Z/28 does the same...