cant adjust fuel trims via gm maft

[squadronleader]

I just installed new Rochester/Delphi 785cc 75lph injectors and a aeromotive fpr in my 95 awd turbo 5 spd talon. along with a evo III big 16g. I currently have a 3 inch gm maf, and maft version 2.02. I cant get the stock maf to work even with stock injectors and so on. I have no idea why, I have been through every diagnosis I can think of, different ecu and everything...anyway that's why I am using the gm maf. it works. kind of. so I installed the above and the only settings I can get it to kind of work on, are instead of having the 3 inch selected on the dip switch, I have to have the 3.5 inch selected. there is no setting for 785cc injectors so on the base and aux I have the 780's selected. it idles super rich, and no matter what I do with the idle knob it wont move, mid throttle same thing, and wot is just pig rich. no matter what I do, and on every setting I try it just knocks. I can feel it. new knock sensor as well. when I select the 3 inch maf on the dip switches it is so lean it is dangerous. my wideband doesn't even read it most of the time, and turning the knobs do nothing. I have no codes, but every once in awhile I will get a code 1400 pop up. no idea why. maybe because my emissions are deleted, but I still have all the solenoids electronically hooked up. that's the only thing I can find online in regards to that code. and when I mean once in awhile it has come up twice in the past month. the only other thing to note is that instead of blocking of my egr I just looped the vacuum hoses together. I have a block off plate but haven't installed it.

could my front o2 be bad? no codes for it as of yet. am I hitting max air flow? fuel cut? I have no boost leaks. I have been chasing my tail trying to get this car running forever and have blt about 20 times. had the throttle body rebuilt, replaced all the injector o-rings, and grommets. no boost leaks. new plugs, gapped properly. copper ngk's the 7's, good plug wires. recently changed the fuel filter. I have a walbro 255. fmic, 3inch turbo back exhaust, no cat, greddy type rs bov, evo III big 16g, aero fpr set to 43 psi with no vacuum. running stock boost. like 12-14 psi. ahhh what else. I don't know. hopefully you guys can help. its almost as if the car is stuck in open loop. or closed loop. which ever one it is. I replaced the ect sensor in hopes that this might help. no change. totally at a loss. I currently do not have link, nor a logger. I know this would help out greatly, but my laptop died and I cant use evoscan until I get another one. anything else let me know I would be happy to answer any questions.