Racing Fuel vs Regular Octane 91
02-07-2002, 07:57 AM
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Racing Fuel vs Regular Octane 91
I see at my local gas shop racing fuel is about twice more expensive than normail octante 91. I don't see any octane number on it but anyone know what is the difference?
02-07-2002, 08:13 AM
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Yup... It's called the "waste o' money" approach... I've been there and tried Sunoco racing fuel (105) in my cars and bikes... Any gains were insignificant from dyno results... Our computers aren't designed for the high octane qualities of racing fuel so unless you remap the computer, you're probably going to just lose money at the pump... and confuse the engine, o2 sensors, your PMI settings, etc when you switch back...
Regular is 87.. and mid is 89
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