didn't notice the no more fuel= no more power part... Did you edit that in?


Anyway again this goes back to spark advance being your main source of power through tuning. Typically advancing your timing will not eat up much for. Case in hand...

On the SRT-4's Mopar "Factory" Stage 3R kit they offered a option called "toys" with that option came a little red buttom called "High Octane Mode" (HOM). The intent was you put 100 octane in the car, hit the button and BAM, 40+ hp instantly. All the button did was switch the ECU into a super agressive timing map that was built to support race gas. Typically the car would see about 5-7 degrees more timing through the power band. All that without changing your AFR's but maybe 1/2 a point.