It should run okay, here are my stats;
Herbert Solid roller 620i 650e 280 290 dur
454 .030 over decked and line bored
Forged lower 4.25 stroker crank and 6.385 rods
Diamond forged pistons, total seal rings 10.85:1 cr
ProMaxx rec port heads, Herbert extreme duty valves, Harland Sharp rockers, super 7 titanium retainers and locks
Crane electropolished Springs
Pro Comp single plane polished intake
Holley 4150 reworked 850 now 930
MSD ignition
Reworked 4l80e with hardened shafts, Rev Maxx converter 3200 stall,TCI controler
Eaton posi, 4.10 Richmond gears and Moser forged axles