help with coupe

hello everyone.im new to this site,im from houston, wanted to know if anybody could help me on thisi have a 93 coupe,with a 306,e303 cam trickflow heads,edelbrock intake,longtubes,373s,19lb injectors,the car was running a lil rough so put it on the dyno to check a/f mixture,it was 14.1 but then at 3800rpms the car leans out to 16.1,i tried to pull the codes,but scanner wont read,i hooked it up to diagnostic port,does anyone have any idea,what it could be

Try pulling the codes with a test light. Sometimes my scanner won't pull them. BTW, what fuel pump do you have in that car? And you prob need bigger injectors/mass air or a tuner.

not sure on the pump the guy who the car before me said he upgraded the pump,but not sure,i was thinking about upgrading the fuel injectrs to 24lbs,but not sure if thats the problem.how do i pull the codes with a test light,on the dyno at 3800rpm it was making 215hp and 270trq but was leaning out,

Here's the link I was given by JRichker.
link

Check out this thread too.
link

I would say upgrade to 24's, get a good 255 pump and adj fuel pres reg. You have to be maxing out those 19's which is why you lean out on up top.

thats what im thinking,i tried pulling the codes but didnt have no luck,bout to try again,

With a good running set up you should be putting down in the 300 range. Get some bigger injectors and a nice dyno tune so you know what the a/f is.

You are really maxing out the injectors, I'm in the 300 horse range and my 24#er's hit the 90% range so you have to be over what those things can handle. Upgrade those and the mass air meter, then you should be better. Your going to need to get a tune for the car as well and that will help.

thanx guys i installed 24# injectors, and calibrated mass,and the car idles alot better and runs alot better,need to get it on dyno and check a/f ratio,what times are you guys running,i still cant wai to c what it will run

where at in houston are you dynoing ure car?

i had took it to straightline performance over in pasadena.sorry i too months to answer,didnt have a computer

My car has gone 13.6 at 105 three or four years ago, changed the injectors and maf since then as well as tuned the car. Runs stronger now..

BTW that was spinning all the way through 1st and 2nd gears, then finally hooking up in 3rd.

Car is getting completely overhauled now though, wifey gave me permission to strip the car and rebuild so that's what I'm doing..

Twin turbos here I come!!!