alright here is the deal i just got done putting a gsr in with a b16 head with jdm b16 pistons in my car and i went to use the p73 ecu and my car wont start because of the immbolizer...is there anyway i can disable this so i can drive my car and start breaking this motor in? someone help me please....

 

Try a different ecu.

 

x2

Gotta send that in to get the immobilizer removed or get one without it. I think you will be able to run an Si (p2t) ECU. I don't think those had immobilizers. Or get a jumper harness and run obd1.