I have a Ls/Vtec in my Civic Si 1991 with a GSR head and a Ls block and I want to know which Vtec solenoid should I use? My car is OBD0 but I have the Ecu Conversion harness to OBD1. Can I use Obd1 obd2 or obd0 Vtec solenoid? let me know guys Thanks!