If I was doing forced induction on the 3FE, I'd get a A/F gauge and go from there but even at low pressures, I'd think it would be pushing 190-200 HP which I'd bet is more than the injectors/pump are capable of handling or at least they would be approching 100% duty cycle...but just guessing.
BTW - sometimes Celica air the water intercoolers come up cheap.
BTW - sometimes Celica air the water intercoolers come up cheap.