[Public-List] Manifold petcock Atomic 4

[Ronald Walker]

Thanks Jim
I did just as you suggested and poked around in the hole and a good bit of crud came out. If I can't find the proper non-tapered tap I will have to revert to Plan "A".J.B.Weld
Ron #292

--- On Sat, 5/19/12, Jim Davis <a30240 at earthlink.net> wrote:

> From: Jim Davis <a30240 at earthlink.net>
> Subject: [Public-List] Manifold petcock Atomic 4
> To: public-list at lists.alberg30.org
> Date: Saturday, May 19, 2012, 9:15 AM
> You are right about the petcock, it
> was for draining the manifold.  The
> manifold is cast iron and the petcock probably brass. 
> While you have the
> hole open you might want to poke around up inside the hole
> with a small
> screwdriver (jewelers) and see how much crud comes
> out.  As to replugging
> the hole I would try cleaning the threads as best as
> possible with the
> correct size tap the replace the petcock with a new one and
> use JB Weld on
> the threads.  Clean both surfaces well with acetone to
> be sure there is no
> oil present. Do not over tighten as the cast iron isn't as
> strong as it was
> 30 years ago.  Considering how few people open the
> petcock you could get
> away with a plug with the same thread.
> 
> Jim Davis
> Privateer Isa Lei
>  
> "This country has come to feel the same when Congress is in
> session as when
> the baby gets hold of a hammer."
> Will Rogers
> 
> 
> 
> 
> 
> 
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