360 vs 383

What's funny about that though is the '74 360 redline is probably even lower. Without looking it up I'd bet it's 4,500 at the most.

'74 factory cam was the 340 cam (268/276), and rated HP peak was at 4800 rpm. At least per the AMA spec on the Hamtramck historical site.

The 1970 Hamtramck Registry - 1974 AMA Specifications - Barracuda