Highest Octane For Stock ECU??

Originally Posted by Hi-TecDesigns The ECU will retard timing as knock appears, and it will advance timing back as knock disappears, . Just as an example (from a 2008 Corvette)

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Highest Octane For Stock ECU??

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09-04-2009, 11:08 AM

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Modshack

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Quote:

Originally Posted by Hi-TecDesigns

The ECU will retard timing as knock appears, and it will advance timing back as knock disappears, .

Just as an example (from a 2008 Corvette) there are High octane and low octane timing tables that are selected based on knock sensor output. Without tuner intervention, the high octane table is going to give you the most timing advance adjusted for commonly available gas octane, but no more. Tuners can and will build Very high octane tables to take advantage of 100 octane race gas. Usually the only differences with these tunes are the timing adjustments. More octane + more timing = more HP

High:

Low:

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Last edited by Modshack; 09-04-2009 at 11:13 AM.

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