[s-cars] 200Q20V - hard start issues

David Forgie forgied at shaw.ca
Fri Oct 18 15:05:15 PDT 2013


If 034 extracted more hp by decreasing the injector duty cycle, they leaned out the mixture, which does make more hp.
However, going that route is the opposite of "safer".  Leaner = more potential for pre-detonation (pinging). Ned's
IA s/w ran richer, made less hp, but was "safer".  This is true of the MRC Stage 3 software some of us run on our
RS2'd AANs. Doesn't make as much hp as some tunes but it also doesn't ping as much either.

Anyway, I hope you are happy and that you can put 93 gas in your 200 20Vt tank.

Dave F.


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