If you're interested here's another option. I have your listed combo already built and sitting in my trailer. It was recently pulled from my 70 GTX weighing over 4000lbs with me. Went 12.5

440 +.030
6 pack rods
TRW pistons
906 ported heads
similar (slightly higher lift) cam
Edelbrock TM7
Holley 750
forged crank

PM me and tell me your story. We also have Honda parts if you every want to go turbo, Crome ECU etc