Tunnel Ram on a 383

Ive got low deck set up on my 67 cuda.(avatar)

Tunnel ram better be willing to put fenderwell 2" headers with open chamber heads.
2- 600 cfm holley. geardrive 150 shot nitrous, 3500 stall ,8 3/4 rear 4.10 suregrip
if you want to pull.
Otherwise stick with small block.

And what cam were you trying to make work with that combo? The manifold was not the problem!