Manifold fitment question

Yes, just get the intake flange of the heads milled the corresponding 95%. I’ve done a lot of reading and asked more than a few questions on here about how to do different head combinations. The common answer with angle milling is that a small block Mopar valves already open on the cylinder bore center and angle milling moves them of the center axis. With other engines, the angle milling moves the valves closer to center. So in the case of the SBM, the gains in combustion chamber efficiency are offset from the flow loss from moving the valves off bore center. Along those same lines, I had read some older literature were Bob Mullen and crew worked on a set of W2 heads for a big block after developing the small block heads. It turned out because the valves don’t open on center in the big block, the W2 port which was designed and perfected for the small block architecture, could do no better in the big block than the 906 or 452 style ports.