carb tuning

[hpk 53]

i have a 40 221 engine how do i set fuel mixture , its over fueling black shoot on plugs runs rouph

 

[ford38v8]

You may have a blown diaphram on your power valve. Best to start with a fresh rebuild, as carbs don't just go out of tune without internal issues needing attention.

 

[hpk 53]

thank you