Intake/carburetor set up issues

Stock type new cast iron Milodon water pump.
Then you should have the smaller bypass hose. I'd suggest a 68-69 340 intake, a Holley Street Dominator, Weiand dual plane, Edelbrock LD4B, or Performer all with angled washers. Intakes to fit your heads would be Offenhauser, Edelbrock D4B, or 64-65 original 273 without the special washers. If you are using the large bypass hose most of those will work, except the original intakes till 1970.
Thanks for your help and input from all! here's the front view of the rebuilt engine.engine front.jpg