400/451 build

I am thinking about building a 451 stroker for my swinger. Anyone out there have this combo? How many ponies/torque do you make? What combination of heads. cam , etc are you using?

400/451
575HP/585 Trq
Pump Gas 10.5:1

SRP Flat Top Pistons
Eagle H-Beams
Reground Stock 440 Crank
Ported Eddy Heads
XS282 CompCams Solid Flat Tappet Cam
Torker 383 Intake
750 Holley(Mech Secondary)
Crane Gold Roller Rockers

4 years old now, drives GREAT, been all the way to California twice and back, NO PROBLEMS,
then, with NO Changes,
through it in the A Body Race Car and ran 10.80's with it at 4500 ft ELEVATION !
Dunno how to top that ?
Great Combo !