Best Intake for a 408

@Demonx2 There was a fella here some time back that was at a similar point as yourself. His 408 was in a Starion or some weird car like that though only a little lighter. He went back and forth with the RPM-AG & the M-1 single.

His cam was right around your duration @050. The single mph was better, the ‘60 worse, a hair slower than the RPM, IIRC by tenths.