Injector boss flush with intake runner?

[Clay B]

After lots of drilling and grinding, it looks like the Rochester '989
injectors end up about .100" above the inside of the  intake runner wall.

Is it appropriate to cut the boss flush with the inside of the intake
port. Or, is there any benefit to providing a small upstream protrusion to
allow the fuel stream to propagate further, before airflow blows it
towards the intake valve. Injectors are vertical on a V8, for a 45 degree
orientation relative to the port.

- Clay

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