well, my question is that if i dont plug up the Evap Purge Power AND Evap Purge Solenoid , will i have vtec????? and where are these located on the b16 motor . my car is working but no vtec. also if i plug up a p28 in, will vtec work with the soch vtec ecu. and if i plug the p30 in, is it suppose to work the same as the p28 but better???