Prototype ? Edelbrock cast aluminum 348/409 valve covers

409N

Well Known Member
#8
I don't think it was a defect ?
, as I have a PAIR ,definitely who ever made the pair of covers meant to do so,,, and used Edlebrock for their molds ,whoever made them ? just deleted the name. :)
 

1958 delivery

Well Known Member
Supporting Member 2
#9
coping is very common. You just can't use the name
What would be the point of making without all the holes drilled? No reason I can imagine other then a mistake
 

409N

Well Known Member
#10
Maybe just before he was going to drill them and his drill broke and he gave up? whoever made the covers was talented enough to fill in where Edelbrock logo was
 

Junky

Well Known Member
#14
Fell out the back door of the casting plant, and the person realized that they didn't have the experience to get all the holes drilled in their exact proper spacing?
 

409N

Well Known Member
#15
Nice :) , so there are more out there :) , I was thinking Honest Charlie Speed Shop may have sold no name aluminum valve covers back in the day :) still looking for my old HC catalogues
 
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