My air/fuel meter is always rich(I know its not reliable) but my plugs are dark and my muffler is BLACK. Even at half throttle Im rich. I have not ran the NOS with the new plugs I put in(stock ngk). Will the Apex fuel controler work, I want to be able to control the fuel threw the whole rpm band. Or what else is a good fuel cont. that I can also use with the NOS.

 

The Field AFC has 3 memeory settings.

http://www.field-net.co.jp/english/