Tunnel ram or no tunnel ram...

BOTH...anti-reversion and prob could go with 3/4 Delron. I did 1/2" but it was done for a smaller CID and less compression.
I am thinking about more radical scoop to have more freedom of choice here.
Perhaps this:

5D39BC9E-C98D-43B6-86F2-136FA76613A0.jpeg