Quote:
Originally Posted by CSG Mike
Incorrect. 100 octane can't compensate for a bad timing table.
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I'm not so sure I would agree with your statement. 100 octane will certainly resist detonation caused from igniting timing being to far advanced, and super lean conditions, better than say 91/93/94 can. Remember it takes more advance, the greater the octane. My guess, based on reading some things here, is that the super lean condition(20:1) that presents itself when the throttle goes closed, plus the super advanced timing(39 degrees is what ive seen)at that very moment seem to contribute to the detonation at throttle tip in. So in the end, I truly think running race gas or something equivalent may prevent the detonation until Subaru releases a proper ecu update to correct this. Or just shift slower in the mean time?