Yes I think that is what I am trying to say. Easier to say than type.

If the limiter is 4.5v and that will run 80% duty cycle on your injectors you can than trim the excess fuel by selecting a lower % of fuel to be injected based on how much fuel 80% duty cycle from the injectors actualy is and how much fuel you need.

You run 10 psi you trim maybe 20% of the fuel from the injectors (depending on how big you went) but if you ran 2 psi you would need to trim (or lower map voltages) like 40%.

I make no sense I am sorry. I hope newbies read this and think I am making sense. Bleh.