Speed density tunes are almost impossible to do unless you have logs to work with. Tuning the VE will vary from vehicle to vehicle, so its really hard to get it dialed in over mail order. Allen tuned mine for my Z06 cam using the MAF mainly and got all the trims from +1/-1 (good guessing game allen&#33 So if your not using a truck MAF did you install the IAT sensor anywhere in the intake tubing?

Chris