A friend has this 372" small block that's built and ready to go. I just want to get some thoughts on its power potential and what could be expected from it in say a 3400lbs a body. All thoughts and criticisms welcome. I just want to know what y'all think its capable of. Thanks!

372"
340 block .030 over,
360 cast crank with mains turned down to fit,
eagle rods,
KB hyperutectic pistons,12.5:1,
W2 heads ported and flowed 290,
Mopar 1.5 roller rockers,
Howards solid .599/.620 solid cam,
Holley strip Dom intake