Originally Posted by OPsDad
Have you reached the limit of the injectors or just what the ECU has as a fueling limit? And how would one really know, save trying a tuner? I honestly don't know if Ford doesn't publish the info.
I am not sure, guess I could head out to a buddies shop and hook up a shrader valve, but if my butt dyno works, this thing is maxed.
under 25 F , with the engine temp sensor under 50%. I have felt the surging power effect, twice, both times on 89 octane.