i JUST RECENTLY, WELL NOT RECENTLY (MONTHS AGO) PUT IN THE pts EXTREME 9-11 CONVERTER, i GUESS IT WORKS GOOD GOT A NEW BEST ET 12.1 WAS 12.4, sO I CAN SAY IT MUST HAVE HELP ME OUT! iTS A LOCK UP CONVERTER. cAN i HOOK UP ONE OF THOSE SWITCHED TO IMMEDIATELY LOCK UP THE cONVERTER AND GET A FEW MORE 10THS AND SOME MPH. iVE HEARD OF PEOPLE DOIN THIS AND I KNOW ITS EASY SO WOULD I GAIN OR WAS THAT WHEN OR IF I HAD IN MY OLD STOCK D5?