Fustrating night at the drags...
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From: Boston, MA
Originally posted by slowmo12
you car will not make any adjustments to fuel settings due to an added octane. the added performance of higher octane comes from the ability to run a leaner mixture without detonation. so if you are running stock a/f ratios you will not see any gain from a higher octane. some ECU's will adjust timing when it does not sense detonation, as a benefit to give more power. adding octane is not going to cause detonation at all. if your ECU has variable ignition timing, and it senses detonation, then it will retard the timing causing a loss in power. using octane some kinds of octane boosters will cause your 02 sensors to think the catalytic converters are not functioning correctly. this will result in a malfuction CEI, which should not affect performance at all. basically, there is no way octane booster is going to decrease your performance, even on an N/A car. Your decreased time at the track could have been due to several different reasons (barometric pressure ect).
you car will not make any adjustments to fuel settings due to an added octane. the added performance of higher octane comes from the ability to run a leaner mixture without detonation. so if you are running stock a/f ratios you will not see any gain from a higher octane. some ECU's will adjust timing when it does not sense detonation, as a benefit to give more power. adding octane is not going to cause detonation at all. if your ECU has variable ignition timing, and it senses detonation, then it will retard the timing causing a loss in power. using octane some kinds of octane boosters will cause your 02 sensors to think the catalytic converters are not functioning correctly. this will result in a malfuction CEI, which should not affect performance at all. basically, there is no way octane booster is going to decrease your performance, even on an N/A car. Your decreased time at the track could have been due to several different reasons (barometric pressure ect).
Now if only my plenum would be delivered
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