Any help will be appreciated

[huffound]

I need HELP!!!
I'm a DA when it comes to using HPT. I'm really struggling with cold start-up idle. The engine starts fine but after about 2 seconds the airflow reduces, the RPM drops about 250-300 from the Base set point is at. I noticed the spark is about zero advance. The RPM's slowly increase and after about one minute the idle levels out and seems steady. I have no idea what to change to help with this. Like I said....I'm a DA.

In the attached Scanner file you can see I manually set the timing to 20. It levels out nicely but still doesn't seem right.

Any help or direction will be appreciated.

2005 6.0 LQ4
LS6 intake
Stock throttle body
BTR about 650 lift cam. I don't have the card handy for the other specs
Headers


Well... I have tried about 20 times to upload my files....I cannot even do that

[lukearmstrong1990]

"go advanced" and attach tune file to post