I see a big problem with going past 34-34.5mm (99 & 00 SVT's only - others smaller yet)

Why you ask?
The head ports are only that large!
Since the head ports would now be smaller than the LIM they would create a very disruptive ridge (atleast 2.5mm) protruding into the incoming airflow.


2000 SVT #674 13.47 @ 102 - All Motor! It was not broke; Yet I fixed it anyway.