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topcat · 10-15-2013, 02:03 PM

I know that the scangauge of timing advance (IGN) can help find a good efficient place to run. The higher the advance, the better. But I also find it increases with speed (& RPM). To remove the dependency on speed, we could do IGN/RPM as an Xgauge. Can anyone clever work out how to do it?! Preferably for the ISO comms protocol. Thanks!

10-15-2013, 02:03 PM	#1 (permalink)
topcat EcoModding Lurker Join Date: Jun 2011 Location: England Posts: 37 Celica VVTI - '05 Toyota Celica GT VVTI Team Toyota 90 day: 41.89 mpg (US) Thanks: 4 Thanked 7 Times in 5 Posts	Xgauge: timing advance: IGN / RPM I know that the scangauge of timing advance (IGN) can help find a good efficient place to run. The higher the advance, the better. But I also find it increases with speed (& RPM). To remove the dependency on speed, we could do IGN/RPM as an Xgauge. Can anyone clever work out how to do it?! Preferably for the ISO comms protocol. Thanks!