wondering if any one has installed a super charger from stillen? i have one on my 2008 nissan titan and am having problems with it pinging, mis firing and straight up running like poop at higher rpms. usually when the super charger kicks in. we have checked fuel presure, changed noc sens, checked for vac leaks had nissan check for codes. changed plugs, checked back press on cats, air flow in, air flow out, changed fuel,coolent syst, head gaskits, rings and pistons, have sent the computor back to stillen it checks out, so they say. cleaned injectors so on and so on. my truck has been up for two months now and nobody knows including stillen please help, any one its driving me nuts. any help is better than none at all