Search:

ok... thanks for the insight

Correct me if I'm wrong but the ECU doesn't affect the operations of the block. The B20z and the B18a/b are the same with the exception of the bore size and stroke length. So why wouldn't I be able...

I have a B20Z, p72 obd2 ecu and I want to swap to a b18c head. Do I need to get a p72 obd1 ecu or can i run the obd2 version?