Pluging Emissions Y pipe holes?
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More Turbo
Joined: Nov 2002
Posts: 543
Likes: 7
From: Tulsa
Pluging Emissions Y pipe holes?
On the 351 H.O. there is an emissions pipe that runs from each head into a Y and down into the Cat. Well, I got True duels with no cats and removed all the other Emissions crap. Now my Y runs via a heater hose right down under the truck. Can I somehow plug these holes with a bolt or something? I don't really want to just bend the tubes because it looks tacky and still leaks. Any suggestions aside from buying new heads??? 
Posting Guru
Joined: Sep 1999
Posts: 2,297
Likes: 1
From: Indiana
Pluging Emissions Y pipe holes?
Xwarrior86, I believe what your describing is the thermactor pipe.
Go to your local parts store and ask for cap plugs for the thermactor ports in the heads for your application. They will look like small freeze plugs. Clean the holes out good and tap them in there.
Go to your local parts store and ask for cap plugs for the thermactor ports in the heads for your application. They will look like small freeze plugs. Clean the holes out good and tap them in there.
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