looking for a cable

you’ll run rich either way, your pcm will command 14.7:1 but with all the overlap from the cam it’ll over compensate with fuel for the extra O2 getting dumped down the exhaust.

unless you run straight open loop you won’t be able to change it.

have you done any research on what AFR you need to run at wide open? high compression & boost i’m shooting for 11.5:1, right now it’s a little lean at 12.3 but i may be out of injectors