Cure for lazy Magnum...Has anyone built a Magnum for 7k+ revs?

Here is a link to an article that might fit you build idea. Budget friendly, and enough power to be fun. Personally going with a stroker, since in my case replacing a stock rotating assembly is the same as a stroker price wise.

https://www.hotrod.com/articles/build-455hp-pump-gas-magnum-v8-around-4000/