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70SS Valve cover breather question...

718 Views 26 Replies 10 Participants Last post by  oldcutlass
I did do a search and could not find my answer. Bought a GM NOS 90 degree elbow for the passenger valve cover to replace the non-standard breather can the PO had on there. The elbow is 1 inch and the receiver on the bottom of my open element air cleaner is 3/4. Wondering if there is an adapter I am missing to connect the two? I was thinking of just sliding a 3/4 inch hose on the air cleaner and maybe the 1 inch hose from the elbow will slide over it. I looked at OPGI and other parts stores to see if I could get a 1 inch air cleaner adapter, but no luck. Thx...

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· Premium Member
Rochester, New York
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This OP's car! (y)
 

· Premium Member
Rochester, New York
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2,081 Posts
The vent tube contacts the rear accelerator pump. Many people removed the vent tube and plugged the hole then installed a push in breather in the valve cover.
OR (as I've seen examples for sale at swap meets) - beat the daylights out of the tube in order to flatten it enough to clear the acc. pump. I don't believe this ever worked (n) :LOL:
 
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