Quote:
Originally Posted by bulldog x6
ok - not sure why this conversation continues to drag on but I beleive you think its somehow a good thing to run low quality fuel in tuned cars or even stock vehicles. So, ill just say that unless it was an emergency, Id stick to the min. octane ratings posted by the manufacturers. If you are tuned and the ignition curve is set to run on high octane gas (like 94), run that gas, not 89, or 87 or whatever. So, if you like to run 89 gas, then buying a 335 was a waste.
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There is absolutely zero QUALITY difference between 89 and 94 octane fuel. ZERO. It was proven on CBC Marketplace last night. I agree that If your engine was designed to run on 91 then thats what you should run but if someone chooses to run 89 (not sure why they would) the car will lose a little HP.