Is warm bias subtracted from "SA - PE Spark Added" (0x15E)

The ASDU bin has the values 4.92 @ 800, 2.11 @ 1200,1600, 4.92 @2000-3600

The reason I ask if warm bias is subtracted from this is because I would think you'd want to *retard* timing at WOT, not add it... ?!

Since you're talking about a richer mixture which burns faster...right?

And if 9.84 (warm bias) is subtracted you get -4.92, -7.73, -7.73, -4.92 ...

Thanks in advance (err...),

Michael