Yeah I agree. They didn't do it because they didn't need to and/or they didn't want to. Mopar could've turned the wick way up in the horsepower wars but they didn't. Most likely because that wasn't the business they were in. It would've been very easy for them to put a 4.250 stroke crank in the 440 and make it a 505. They could've added the MW heads and a dual quad intake and buried the competition. Those parts all existed in the early 70's and hot rodders had built similiar combinations so they knew it was possible. They didn't need to do it and nobody really wanted to do it so it didn't happen.

I suppose they might have regretted killing the big block since GM was able to keep their big block around in the truck division. Mopar probably could've done a truck version of the big block and kept it around a bit longer. GM is still selling big block crate engines but Mopar exited the business. I just got a new 632 from GM last week. GM is selling these 632 inch big block complete with EFI and coil near plug ignition. Makes 1000 hp on pump gas with a hyd roller cam so it will work great in a street car. Mopar could make something similar if they wanted but obviously they don't since they haven't.