I have a 98 accord i was wondering could i swap a 1995 prelude h22 motor with a 1999 GS-R ecu

 

yes the h22 wil work in that car as long as it was originally aa 4 cylinder. and use the correct ecu. get a p13 so buy a compete swap. that ecu will work but it is designed for a smaller motor so you wont get as much out of it. and if you get a obd1 motor you will have to get an obdII to obdI harness...

 

This has been the complication about the OBD harness. My car has the moblizer so how would the obd 1 sensory connect with the obd 2 sensory without using a piggy back.

 

now your outta my league...im an obdI guy only...less restriction that way

 

Either:
1. convert your car to OBD1 and use a pre-96 Prelude ECU,
2. stay OBD2, use a 97+ Prelude ECU, and have a dealership reprogram the ecu/keys, or
3. stay OBD2, find an uber-rare 96 Prelude ECU.

97+ ECUs have the immobilizer. 96 and older do not.

There's plenty of threads about this swap, just do a search.

 

Thanks i really appreciate it this has been my problem with my swap. I have one more problem my air condition control is messed up. If i turn the switch off the air condition compressor comes on, the switch in the car is messed up. Please Help