so i really wanna get into tweeking the computer to get better gas milage, and someone told me you can really tweek the way a engine runs with standalone. i was wondering if anyone has any info on this , i am a vw nut and this is my first nissan, and when you run standalone on a vw and get it runing right , they get crazy good gas millage and way more power cause you can mess with the fuel injection and other stuff. so i need any info,, oh and here is a website that i was told about.....http://www.diyautotune.com/