Originally Posted by scoooby slayer

from all the feedback im getting from another post the only way im gonna know how much ive gained is if it goes back to nobles rollers again where it was done the last time. im not bothered about just knowing the figure its fast as fuck so dont really matter but would like to know how much hp its gained with the extra 6 psi and ignition. what im hearing is different rollers are vastly different so im not gona know am i