If you are going to do it that way, there is no need for the computer. If you are obd1 just keep the p28. Its not going to run the way its supposed to, no lean burn also the first solenoid has nothing to do with the wild vtec cam/rocker profile. So might as well not even wire it if youre not going to use it.
Do it right, or dont do it at all.
Thats what I think, you can do whatever you want to do. You are going to do it no matter what anyone on the internet tells you.