Stock 340 dyno tests?

Ceedawg said

Change for change a 440 will make much more power. Go to any bracket race look at the mopars then see how many have 340s or 440s. Unless your class racing, CUBES is the winner. I’ll take a 572 over a 408+ anyday.

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I mainly agree but if you put 550 hp parts on a 340 or a 440 you basically get 550 hp, the recipe ain't that different. Problem with smaller displacements you run out of reasonable rpms to build larger power why a lot go 408, at some point bore size is an issue to. But with Big Block you can put together 650/750+ hp combos relatively easier and probably for similar money as 550 hp small block making it the value choice.