Problem while running cold

[sjwelna]

This is my situation, I'll try to explain it in as best detail as I can. Whenever I start the car from being completely cold (after sitting for the night or whatever) the car feels really boggish. I thought it was because of my injector settings not being set correctly with dsmlink, but I just dialed them in and it is still continuing to occur. Before I set the injectors up correctly it would spit fuel at idle right after startup, but that is also now gone after setting the injectors up. Basically when the car is still really cold, it feels like I have no timing advance nor power. I am not trying to boost while cold, so that's not the problem. Once the car warms up fully however, it is fine and runs perfectly. It just feels like I have to give it a ton of gas to go anywhere while it's cold.

Anyone have any ideas what it could be? Warped head? HG on it's way out? I'm really at a loss for what could cause this, no one I've talked to can help me out locally.

Mod list is current in profile, but related info might be: running 7 series plugs, accell wires, aeromotive afpr, FIC 650's dialed in with dsmlink (plug wires swapped and everything are set correctly).

Only thing minorly wrong with the car now is a small intermittent fuel leak (tiny) off of the fuel feed line.

Recap:

-Car feels boggish on cold start when driving
-Feels like pulled timing
-Doesn't happen after car is fully warmed up

Thoughts?

-Steve

 

[CatchMe]

I have that same issue and I also have DSMlink, FPR, magnecore wires, bpr7's, and PTE 680's. My car usually takes a couple turns of the key to get it started when its cold and if feels like it sputters out if I give it a bit of gas or free rev. Im sure that it is a fuel issue (I've been turning up my injector dead time and it has gotten easier to start. I plan on tuning it more this weekend and get my STFT perfect.) I'm also going to change my plugs this weekend and see if that helps. This problem started as soon as I changed my fuel setup from rc 550's + 190fp (STOCK FPR) to pte 680's, 255lph, areomotive FPR.
Make a post on the DSMlink forums and see what they say if you dont get an answer here. -Zach

 

[sjwelna]

I have also been told that it might be an overactive knock sensor pulling all my timing. I'm going to try to log while it's cold and post on the dsmlink forums and see what they say. The settings for my 650cc FIC's are -31% and 360 microseconds of deadtime, and i'm still at about +2% LTFT. We'll see what the other guys have to say.

-Steve

 

[ninety7gst]

whatever became of this? did you find and log of knock?