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I just bought a holley four barrel carb from my local junk yard and i was woundering what cfm it is. it is a factory carb off of a 1985 E-250 the id tag has the following numbers
E5HE FA
A5A2
The side of the choke tower has the following on it
E5HE 9510 FA
list-50252
0035
Also it is an emmisions carb so I was woundering if i need the vents that are comming out the side of the bowls or can i plug them off?