Id use either Eddy rpm heads or Indy EZs. Comp magnum roller rockers, The M-1 will work fine, maybe a holley SD if hood clearance is an issue. The 850 will work but not run as good as a 950 or 1050 carb. Have Dewayne porter or Bullet custom grind you a cam.

392 gen III hemi on E-85 727 trans Dana 60
10.02@134