Yeah an si ecu will work w/ an rpm switch for vtec. If you really want that setup to run well you need to wire it for the obd1 p28 ecu but it is fairly involved.
__________________
Don't bother giving me "rep", I won't return it and I think it is stupid.
Gracie Barra Clearwater

Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.