We want to get the best of our B16 drag civic with a NXL PN 20200 wet system.

With the set installed as its supposed to be the AF goes to 10 when the NX system is active.
It pulls like hell but I think it can pull harder with a leaner AF ratio. What is the proper AF ratio for our Stock B16a1? How far can I go with this stock engine?

Is the AF ratio for nitrous the same as the AF ratio for normal fuel? Can I drive at a AF ratio of "lets say" 12:1?

 

12:1 will melt things with Nitrous...because of the oxygen content of burning n20, it falsifies the readings on the wideband sensor. You MUST tune reading the plugs...

If it pulls hard and doesn't miss on spray...I wouldn't touch it unless you know what you are doing.

 

ok..... These are the answers I need! Thanks!

So the numbers on the wideband can be anything but 10:1? This explains why its not smoking black with the nitrous activated! Normally a mixture of 10:1 should smoke black.

Thanks again!

Any more input?