No problem Chris, I bought Vortecs when I did because I planned on a carbureted engine, and I got a screaming deal on them. The injection is what made my project expensive.
Anyways, it sounds to me like it's the EGR you are asking about. I'd run it myself, but with a stock chip, it COULD cause some problems. (what with different timing requirements, different fuel requirements, and so on based on the combustion chamber design)
I like EGR. Better freeway mileage in my case makes sense. I don't have to have it, but it wasn't too hard to run (short of the $70 kit lol) so I decided I would. I plan on trying to get the ECM to run in "highway mode" once it's working correctly, so that will hopefully really help out on economy while cruising.
How is the cable too long? Can't open the throttle fully? My TPI setup is the same way, even with the camaro cable. The pedal travel isn't "enough" on the truck, so I took the pedal out (easy) and bent the piece that holds the cable, towards the drivers seat, which in effect means more cable travel with the same pedal movement...now it goes to WOT no problem. The metal feels a little weak though, if trying this and you have access to a torch, might be a good idea to soften up the metal before attempting to bend it. That WOT problem is the only reason to bend that piece though.
