#24081, "RE: Why retard ignition while boosting?" In response to In response to 9
Nothing on the road scares me except me. There are, very certainly, faster cars out there. I'm the only one that scares me
You want to retard timng while boosting because this ECU is tuned to make good power NA - it increases advance at a rate that will cause knock to a high HP, FI car. When this ECU gets knock, it pulls timing WAY back - around 14* at WOT. if you take a few degrees out before it reaches that knock-causing peak, or take a degree or two up top where you might be knocking just from the high boost and advance, you'll end up making more power overfall by being able to maintain a steady smooth timing advance over your whole powerband without knock induced dropouts in your timing curve.
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