Search found 3 matches

by nickturner22066
Fri Apr 14, 2006 9:38 am
Forum: Tuning Fuel and Air
Topic: emissions tuning
Replies: 3
Views: 374

Are you running a catalytic converter? The engine tuner I work with told me that CATS work the most efficiently when the engine is running at 14.7 A/F ratio. So if you have a cat, tune your engine for 14.7.
by nickturner22066
Thu Mar 30, 2006 4:38 am
Forum: Injectors, Fuel & Air Supply
Topic: "Injections per engine cycle". Can someone clarify
Replies: 4
Views: 580

But how do you know what works best? Are you just supposed to use the # of injections that you can tune your idle with best? Or will you notice a power difference under wide open throttle? I guess that I am a little hesitant to start changing settings like this, and then run my engine as hard as I ...
by nickturner22066
Tue Mar 28, 2006 6:27 pm
Forum: Injectors, Fuel & Air Supply
Topic: "Injections per engine cycle". Can someone clarify
Replies: 4
Views: 580

"Injections per engine cycle". Can someone clarify

I understand what "injections per engine cycle" means, but I was wondering how to optimize this setting with the type of engine you have. I have an inline 4 cylinder, DOHC engine. I rough tuned the engine with 2 injections per engine cycle, and alternating injector staging. My idle was fairly hard ...