[teky]

a rolling road is a a term used to test cars to the max to tune them up all it does is allow the car to be driven on rollers to get the best settings out of it, the ecotec valve in my view is now in a gray area to to the word "swirl" which it dosnt do at all and because of that word its in court, so im leaving it alone till they sort it out you dont want to put anything on there unless its proven you could damage your engine and void any warrenty because its a modification