And what point would that be? We're talking adapting a 50 year old design for MPI use.
Which isn't much better than TBI in that configuration.
So choices would be limited.
Only if your choices are limited to what you can buy over the counter.
A proper PFI intake has the runners and plenum sized for a specific engine displacement, expected RPM range, torque peak(s) etc that take advantage of several well known tuning principles.
I remember one Chrysler study and seminar discussion of an aftermarket intake for the Viper engines. The engineers were laughing as pretty as the intake was the secondary tuning peak of the intake occurred long after the engines internals would have been scattered on the ground.
