hey guys. you have prolly all heard of these. the newer ones, SS & RR, are supposedly very accurate. the company claims within 1% of actual hp and torque when when the gtech is calibrated correctly. they also measures 0-60 0-100, 1/8's, 1/4's, and handling g's too which is all cool. i saw a couple older testimonies saying that the hp and torque ratings were a little generous but consistently so. and