1972ho wrote:What should be the best A/F ratio for drag racing car i have a racepak with a oxygen sensor installed and would like to know what A/F ratio i should shoot for to make the best mph,I've been told to shoot for anywhere from 13.2 to 13.8 will make best power/mph. Thanks
jmarkaudio wrote:A few hundred ft isn't much, if you jetted up that much and it picked up it's because it needed it.
RAS wrote:You have to go rich to accelerate. DYNO-BSFC numbers tell the story. Every engine is different. Hundreds of variables. Nothing beats the best ET / top speed for tuning. Track times don't lie. If you hit it, you will know. Don't even think about lean. Nothing there.