Not Ranked
If you were only getting 12 mpg before you had a problem--if only 6 now you have a bigger problem--Is your carb a Holley or Demon?
If you want to put a smile on your face, put a holley 3310 on it but reduce the primarys to #70s.
You are jetted way too rich for a 780 carb---
What dist do you have?
Jerry Clayton
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