I have a gsr motor that was converted to obd2, my ls integra is a 96 obd2. my question is, what will i need to swap it right up to my car, can i reuse my LS harness? DO i need something to connect my vtec, iab, and knock sensor? my ecu is a p30 obd1 but was changed to obd2 with harness converter and its also chipped. it came with the swap when i got it off with someone. should i get a p72 usdm or jdm obd1 or obd2? im confused.

 

run the extra wires for VTEC and just use the jumper harness you have along with the gsr ecu

 

For any easy pnp install you can buy a rywire or hasport (EGDX-GSR) ls to gsr subharness and use the ls engine wiring harness. Hasport is more expensive but higher quality.
They both have wiring for vtec solenoid, vtec oil pressure, iab, and knock.

With the ls harness you'll have to extend the wiring for iat sensor and evap purge solenoid.

For the ecu, an obd1 p72 is probably easiest. Don't know if u can use existing p30. Don't know enough about chipping.

 

well since my injectors were already converted to obd2 already, i might not need a obd1 ecu. so i might be able to use a obd2 p72. does it matter if the ecu is jdm or usdm?

 

is it possible to conver the obd1 gsr motor to a obd2 so its legal and passes smog??? anyone? what would i have to change

 

you just need to decide what way you wanna go and do it... you also wanna think about emmissions in your state....are their emmisions, the only reason i say that is a obd2 car with an obd1 computer will not pass emmisions because they cannot plug a scan tool into the obd1 style ecu... let me know if you need more info....hope this helps

 

i want to pass emissions, so what would i need to make it a obd2 so that it matches with my car thats already a obd2, what would i need to change.