What size carb on a 406 sbc
 

406 procomp 210 heads 205 160 valves 533 544 cam 10.5 comp with a teamg intake .It is in a 69 camaro 3000 stall turbo 400 373 grears 8)

Here is a complete list of racing calculators.
http://www.wallaceracing.com/Calculators.htm

650-700 cfm

750 cfm tops

depending on application

PUT A 750 DP ON IT RUNS GREAT PULLS HARD 8)