I agree. I have a G-Tech Pro and I've tried both. I dont know how accurate they are but my times were about 1.5 seconds slower w/o a boost launch. 5.14 vs 6.65+-. This was a with a near stock truck a few years ago.BoostedSUV said:got to be a balls to wall boost launch in my opinion. They don't get up and go that fast if you floor it from an idle.