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With our tunes we prefer to keep the Advance Multiplier as close to 1.00 as possible in all scenarios. Of course with these cars they do adjust, as these ECU's do seem a lot more sensitive to knock then STI's and WRX engines.
Though the compression is quite a bit higher, nearly 8:1 on an STI and 12:1 on a BRZ/FR-S, is quite a jump. So we do expect to see changes within the range of 0.70-1.00 over weeks/months of driving. But do note this is our method of tuning and not every tuners preference.
Though 0.24 may be low by some tuners standards it still has the ability to adjust, as it has not pegged it's lower limit of 0.00. So it really depends on each tuner and how they prefer to tune each vehicle. More information can be helpful in determining what is more likely happening within the tune.
Cheers,
William Knose
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