The cam phase will be the same to the ignition point. It has to be. It just determines top dead compression vs overlap. Actually it would run fine without it but the cam advance would not actuate probably. It is mostly just for emissions on the firing of the injectors. Prevents intake wetting. It will spark and fire injectors based on the crank signal. So one would work off the one sensor and the other off the other. Main thing is to cross over the air mass sensor wiring to the correct bank.