b18c1 gsr obd2 to obd1 tuning ?s

[smokeynbandit]

Looking for some tuning help on a couple things. I used to have a tuning friend local to help but has moved away. Now I am starting fresh with little knowledge of hondata s300 tuning

To start off I have a 2000 civic that was previously running a b20b, pretty simple swap. I installed a rywire obd1 conversion harness to run obd1 ecu, alt, dist, and injectors. I have recently sold this swap and have bought an obd2 b18c1 gsr swap with an s300 unit that was tuned with all obd2 electronics. I will be doing the same obd1 swap with the ecu, alt, dist, and injectors so that all is plug and play no jumper or adapter harnesses. In doing this will the s300 need to be re-tuned or current file modified to recognize obd1 functions that are different. The things I see that will be different on my harness are no vtec oil pressure switch or crankshaft position sensor.

My other concern is I bought a skunk2 TB off a friend that has a 4bar map sensor on it. Will it be as simple as just selecting a different map on current file on s300 or will it need tuned again

Any and all help is greatly appreciated. It has been difficult to find a similar scenario on Hondata forums to refer to.

[Spunkster]

You do not need to change the distributor, injectors or alternator.

It will need to be properly tuned for a different engine.

Is this NA or forced induction?

[smokeynbandit]

It will be NA for now, but plan to turbo and wanted to know if it would be OK to leave the 4 bar on there until I do so. And if I leave it will it need tuned for the 4 bar or will I just need to select the 4 bar on the drop down menu in the map parameters and it will run fine.
The only reason I am changing the distributor, alternator and injectors is to run a full plug in obd1 system with my rywire harness in my 2000 civic without having to run adapter harnesses or cut wires

[smokeynbandit]

I didn't see a speedfactory 4 bar setting on the drop down menu. I have contacted them for a data sheet in the sensor.

[Spunkster]

It can run with the 4bar as long as it is set up correctly.

[smokeynbandit]

Copy that thanks for the help