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Thread: What do I do with road draft tube hole?
          
   
   

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  1. #1
    elcaminokyle is offline CHR Member Visit my Photo Gallery
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    What do I do with road draft tube hole?

     



    I have a mid-sixties 327 that I'm slowly building on my engine stand. It has a big hole next to the distributor hole. I understand this was for the road draft tube but my question is what do I do with it now? Can I plug the hole? I want to drop the engine into a 78 Elcamino and I'm pretty sure a road draft tube wasn't used in 1978. What would you guys suggest?

  2. #2
    R Pope is offline CHR Member Visit my Photo Gallery
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    A 1968 engine probably had a PCV valve in that hole. A sheet metal, domed cap had a through-bolt to hold it, and a smaller tube to hold the valve. The vented filler cap on the other end of the manifold completes the system.

  3. #3
    Bob Parmenter's Avatar
    Bob Parmenter is offline CHR Member Visit my Photo Gallery
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    While I agree with Pope that it's a good spot for the PCV I have also seen them plugged with a "freeze plug". The hose fitting referred to is somewhat difficult to come by (I'd like to find one right now in fact), but a correctly sized "rubber" grommet could be used too.
    Your Uncle Bob, Senior Geezer Curmudgeon

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  4. #4
    gassersrule_196's Avatar
    gassersrule_196 is offline CHR Member Visit my Photo Gallery
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    i have a few of those bob, your talking about the brass deal with the outlet for the hose?

  5. #5
    Bob Parmenter's Avatar
    Bob Parmenter is offline CHR Member Visit my Photo Gallery
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    Here's a pic of one Scoot. This is one that someone reefed a bit too much and has distorted it. These were used on 283 and 327 of late '60s.
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    Last edited by Bob Parmenter; 09-20-2007 at 07:23 AM.
    Your Uncle Bob, Senior Geezer Curmudgeon

    It's much easier to promise someone a "free" ride on the wagon than to urge them to pull it.

    Luck occurs when preparation and opportunity converge.

  6. #6
    elcaminokyle is offline CHR Member Visit my Photo Gallery
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    Thanks to all for your responses. I picked up a 1.25" freeze plug and tapped it in tight. Very easy and I probably wouldn't have thought of it. Thanks.

  7. #7
    HemiTCoupe's Avatar
    HemiTCoupe is offline CHR Member Visit my Photo Gallery
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    You do have one in your valve cover?
    Have to ask, people do forget them.

    Pat
    HemiTCoupe



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