Originally Posted by Holycrap
What other mods did u have when the 181 went lean. I think im having the same issue up top. Mods are in my sig. I was leaning towards just getting the fuel pump but have been told it would not solve the problem. Theres a wideband on the way and im pretty sure as soon as its installed my wot joyrides will be over until i richen it up a bit. What afr was it before and after the pump?
The SL55 pump solved my lean issue until I added more boost. At that point I ran out of fuel again and ordered the injectors. I suspect the injectors would have done the trick for just the 181, but it wasn't an option at the time. Before the pump I was seeing 14-15 A/F and afterwards 11's.