naturally aspirated, non stroker, 60 over, 360, 500hp, is it possible?

CUDACOX said

* WOW really? Tell us what was done to the 340.My stroked 318/390 made less than that..

Click to expand...

Here's the thread on it. Major secrets are light pistons with custom ring pack, hydraulic roller, K1 H-beams, and a really good builder.
http://www.forabodiesonly.com/mopar/showthread.php?t=241854

Here's a video of it in the car with a street roll of ~5-70 with a 3.23 ring in the back.
[ame="https://www.youtube.com/watch?v=BxQkNYRDAD8"]1970 Duster 340 5-70 pull - YouTube[/ame]

I'd say it cruises rich and I'm getting 13+ mpg city without trying. Idles nicely at 900.