Timing v. Coolant Temp

[C. Ludwig]

Something that we came across while developing the RX-7 ECU is the actual curve the stock S5 ECU uses to pull timing as a safety measure when coolant temps rise. The chart attached below is pretty self explanatory. It was nice to finally confirm what I've felt for a long time.



http://www.ludwigmotorsports.com/rx7/coolant_v_timing.gif