suspendedHatch
audio/security
I have a OBD1 SOHC VTEC ZC engine swap in my EG. I noticed recently that my head has "P08" stamped on the head between the 3 and 4 exhaust runners. My ECU is a European P28 (one of the latest revisions). Would I get better performance by swapping in a P08 ECU to match the head?