I've had some running lean issues for a little while now. My cars a 93 accord with the F22. Everytime i go above 5500RPM, in any gear but first, my car goes lean.
Now i have a lot of work done to this car,(15.4 all motor in the 1/4) and i gotta take care of this problem now that i got nitrous. What i need is some info from some of you who have aftermarket fuelpumps and injectors.
I'm gonna get a Walbro fuelpump, but i'm unsure which one. I'm thinking just the basic 255, not the super(whatever)255. Which one should i choose.
And anyone have any suggestions on what injectors to get??? Thanks Adam


[Modified by fast93accord, 10:45 PM 10/6/2002]

 

What makes you think youre lean?

The a/f gauges arent reliable enough to tell you squat.

The walbro I have is the high pressure 255 l/h its not much more money (you dont need it...IMO).

The stock injectors/pump have plenty of potential for N2O. Try a VAFC and dyno tune it. I'd worry more about your timing and how youre going to retard it.

 

i agree.. msd has the new digital SCE which is basically like the old digital 6 system.. it has nos retard when you spray .. just a thought.. if you wann abuy a used digital 6 i have one.. just give me a good offer

 

The problem occurs when i'm running it on motor. So these tuning problems must be taken care of. My car has headwork done, and lots of bolt on crap, so i'm not taking this lightly. Right now my fuel pressure is set at 62psi at WOT. When i floor it the air fuel guage is in the green, then at 5500rpm up the guage dives into the red completely. Now i turned fuel pressure down to 54psi at WOT just for the hell of it, and everytime i go above 4500 RPM my car goes all the way into the lean. So i raised the pressure back up to 62psi at WOT. I need to get a fuelpump and injectors, so i'm not relying on only fuel pressure as my enrichment.
Besides that everytime i spray it, the air fuel gauge reads steadily like 3 dots in the stoch and the rest is rich. I would like to see that **** in the green all the time. I want the pump just for a safety device, and to flow all the extra fuel with my Wet NX kit. And i need the injectors very bad. So which pump should i get the 255 or the highpressure 255??? And any suggestions on injectors. I'm not worrying about timing retards or injector controllers, i have that all taken care of. Thanks
Adam
AIM ae420gd


[Modified by fast93accord, 12:09 PM 10/7/2002]

 

Looks like youre hell bent on what you think you need.

Get the HP 255 l/h walbro and rc injectors (cant recommend a size cause I think your stock ones are big enough)

 

If your hell bent on buying injectors, I got some 350cc's.

Honestly you do not need them though... factory is enough if you want your car to run.