lancer_ajai2, yes i'm using the diagram on that web site and i'm not using any piggyback just afr to increase the fuel presure.... but i think better use afc or change to bigger injector coz high fuel presure not healthy for fuel pump....
need help... i want 2 install an air fuel ratio meter... can i install directly 2 my O2 sensor??? my car is a local honda civic n it doesnt come with O2 sensor... but i install a turbo kit n theres an O2...