D3IMOS

I did a test run logging with HPTuners. Utilizing the stock AFR sensors. I realize the Narrowband isn't as accurate but it's all I have to work with for now. Please don't tell me just to go buy WB. It's just not possible right now.
So please no bashing or flaming. I just want advice on how to work with what I currently have..

Since the car's 383 was built and tuned with LS1 edit at east side dyno I've replaced the stock fuel pump with a 255lph so I'm running rich. when I punch the gas WOT I get a huge cloud of fuel out the back now. I'm really just lookin to try to fix it a lil bit. I fully realize there isn't much I can do with the narrowband. BUT PLEASE HELP ME WORK WITH WHAT I HAVE.. I'm only getting 150miles to the tank right now.

TPS Timing KR AFR
100 24.5 1.6 13.1
100 24.5 1.5 13.5
100 24.5 1.4 13.5
100 24.5 1.3 13.5
100 24.5 1.3 13.5
100 24.5 1.2 13.5
100 24.5 1.2 13.5
100 24.5 1.1 13.5
100 24.5 1.5 13.5
100 24 1.6 13.5
100 24.5 1.5 13.5
100 24.5 1.4 13.5
100 24.5 1.3 13.5
100 24.5 1.3 13.5
100 24.5 1.2 13.5
100 24.5 1.2 13.5
100 24 1.1 13.5
100 24 1.1 13.5
100 24 1.1 13.5
100 24 1.1 13.5
100 24 1 13.5
100 23 1.9 13.5
100 23 1.8 13.5
100 23 1.8 13.5
100 22.5 1.7 13.5
100 22.5 1.6 13.5
100 22 2.2 13.5
100 21.5 2.1 13.5
100 21.5 2.3 13.5
100 21 2.2 13.5
100 19.5 3.9 13.5
100 19 4 13.5
100 19 3.9 13.5
100 19 3.7 13.5
100 19 3.6 13.5

PE Table
RPM AFR
0 1.177
400 1.177
800 1.177
1200 1.196
1600 1.217
2000 1.248
2400 1.331
2800 1.331
3200 1.331
3600 1.331
4000 1.331
4400 1.331
4800 1.457
5200 1.457
5600 1.457
6000 1.688
6400 1.688
6800 1.688

foff667

iTrader: (2)

first off theres really no way to tell what your a/f is...at least post your o2 readings in mv's for us...commanded af can be 3 or 4 full points off for all we know...i will say this though, again, you want to run 12.8-13.0ish on the street a/f

GrannySShifting

iTrader: (10)

those pe numbers are crazy for an NA car. what are yoru part throttle ltrims while slightly on gas?

GPowrie

I think you are kind of playing russian roulette making fueling changes with the info you have. Changing a pump doesn't for sure meen that you are running rich. It is possible that you could be because of raised puel pressure, but do you have gauge to tell that even? I have seen cars that were lean and had poor gas milage, with out the proper tools to address the problem you are just taking a shot in the dark. You can do part throttle tuning with the factory sensors but for wide open they tell you nothing. If you do not have the funds to buy a wideband, at least go to a dyno with one. I actualy think you could possibly be lean judging by the fact you have some knock, and don't appear to be running a lot of timing.

foff667

iTrader: (2)

im leaning towards him possibly having larger then stock fuel injectors but who knows...but yah adding a good fuel pump/system just keep the pressure more consistant.

D3IMOS

Well I've made a decision. You guys are right. I get paid feb 4th and instead of getting the cam I'm going to buy the HP tuners upgrade and buy WB.
I haven't even looked into the Wb's yet. I don't know which one to get or which one is best for the HP tuners. I'm going to start a new thread and ask what to do.. I also need to get bigger injectors. I had someone look at my charts I"m way rich till I get to high RPM then I"m hitting max duty cycle on my stock injectors. So I'm going to lookin to getting 42lb injectors since that is what I was planning on using with my turbo anyway.

GrannySShifting

iTrader: (10)

I know a guy selling 42s if your interested, but make sure itll be enough inj for you

D3IMOS

If he is local I'm interested if not I"d rahter just get em from thunderracing or ls1speed.com