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Off-Topic Discussion
Off-Topic Discussion
Another Word About Octane
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<blockquote data-quote="Mr_Canoehead" data-source="post: 1379065" data-attributes="member: 86927"><p>That's why they have knock sensors on most cars these days - it gives the engineers the comfort to tune to the ragged edge both for power and economy. And yes, you will never know that the ECU is dialing it back. The modern combustion chamber is modeled very carefully to not ping.</p><p></p><p>On the other hand, our FJR's don't have knock sensors and I have never heard a ping under any conditions burning regular. My BMW will ping on anything less than 89 Octane and it is LOUD on a motorcycle - if it pings, you'll know.</p></blockquote><p></p>
[QUOTE="Mr_Canoehead, post: 1379065, member: 86927"] That's why they have knock sensors on most cars these days - it gives the engineers the comfort to tune to the ragged edge both for power and economy. And yes, you will never know that the ECU is dialing it back. The modern combustion chamber is modeled very carefully to not ping. On the other hand, our FJR's don't have knock sensors and I have never heard a ping under any conditions burning regular. My BMW will ping on anything less than 89 Octane and it is LOUD on a motorcycle - if it pings, you'll know. [/QUOTE]
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Another Word About Octane
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