What base map should I get if I choose to go with HA Motorsports socketed and chipped P28 ODB1 VTEC ecu ? They give choices for : P28 D16Z6, P73 B18C-R , P30 B16A, P61 B17A, P72 B18C1. Also with whatever ecu suggested will they know when put when the VTEC should kick in ? It seems they don't...