Quote:
Originally Posted by jedibow
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This doesn't tell us much. We would need two to compare. Whether you would like to call this a placebo effect, or whatever negative response, I noticed a difference in output and throttle response in very hot weather. What is a condition that would cause an engine to knock? I'm sorry I forgot, it's hot weather, low octane, high boost, and high compression. Now in case y'all in the Midwest have been living under a rock, aren't aware of the climate around the country, or flat out have a low reading comprehension, I live in one of the hottest regions in North America, I do not have access to a pump that produces an octane higher than 91 octane, and guess what? It is approaching the hottest time of the year for un in the northern hemisphere. So having said all that nonsense, I currently am experiencing conditions that meet two of the criteria that would cause an ecu to retard timing due to knock. The temperature is in excess of 110 Fahrenheit all day, and my vehicle has a high cr. I am not saying that my car can make full use of the higher octane, I'm not saying that this gas is by any means anything that could be considered economical, but hey we didn't buy a Prius, at least I didn't, and I'm having fun, in my book that is all that matters.
