delco dist cap

steve19438

Well-known Member
is there any purpose for this hole?
a193527.jpg
 
(quoted from post at 12:22:59 06/13/15) is there any purpose for this hole?
a193527.jpg

The vent helps prevent ionization of the air inside the distributor which causes cross firing inside the cap. The vent also lets any condensation evaporate.
 

Nope...the dust cover is what determines the orientation of the cap. The notch in the cap mates to a place in the dust cover.
 

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