i need the software to be able to tune my car or i need someone that really knows what there doing to tune my car b/c i have a couple mods done to the car and i was scanning for knock and i start to develop 1 or 2 degrees of retard timing under full boost. i was also talking to other guys and they also suggested me to get a sct scanner so that i can hold up to three tunes so let me know what you think thanks Dan