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Not gonna happen unless you go with a stroker setup, which IMO does not fit my definition of a 'budget build'. You can however get 375hp out of a streetable, stock stroke 360. I'm not saying the 425 can't be done, however you'd have to spin it to 7k and run a monster huge cam in it which would not be streetable.



I totally disagree. High Performance Mopar mag. did a build up several years ago and got 430hp from a mild 360. Pump gas, ported smog heads, Thermo carb, and stock crank. If you want I can look up the exact specs.




Again, I doubt that build fits the OP's "budget build" requirement. The headwork needed to get there(or the $ for the aftermarket magnum r/t heads the crate engines run, or other aftermarket heads) plus machine work, plus all required parts, and you total up the $ spent at the end and that does not fit my definition of a budget build, maybe yours, but not mine.