FlatBlack -
The question is - how high do you want to spin it ?
I am looking at a 302 article right in front of me and it makes 501 hp at 8000 rpm. The camshaft referenced is a Lunati RRA-675/669 w/282 deg @ .050. But the heads they used suck (old 2.02 slant plug "Turbo" heads) The engine used an Edelbrock Super Victor type intake. The crank used was a factory 302. The rods were factory "service" rods. The only bottom end change was a switch to lighter aftermarket pistons.
Here is another article where a 302 was destroked to a 287 and the car leaves the line at 10,000 rpm - the cam is even more radical with > .700 lift. My guess it the valve springs need to be changed after every couple of runs. This engine used a tunnel ram.
Neither of these examples is really streetable. Kinda comes down to what/how you want to use the engine.
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