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Old 03-28-2014, 09:44 PM   #24
steve99
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Join Date: Dec 2013
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Location: Australia
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Quote:
Originally Posted by w00t692 View Post
Most stock tunes base their knock tables around a known fuel value that the manufacturer tunes them for, and then they scale back ignition timing based around knock levels.

For instance, Honda knock maps are tuned around 95 octane fuel, and scale back based on knock level, which is tuned with a "knock ignition limit" table that tells it how much it can retard ignition based on fuel quality.
Basicly that our problem in Australia. Our 98 RON is not as good as your 93 AKI that the OFT maps are tuned for.

we also get knock on the stock tune as well even on 98/100 RON
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