[T3] I posted a question about the HE pipes yet is is in the July 14th thread.

[William Jahn]

Yesterday I took a look at the empi header to the right HE pipe . I removed
the clamp and was able to check the HE OD and it was 35 mm . I could only
pull the header back 3/16'" . I was not in the frame of mind with the
excessive heat we have here to remove the header . What I did was pull the
header back the 3/16" insert a block of wood to hold it there and tried to
 insert the .011" aluminum sheet I have . Since the header end was sort of
oval shaped I really could not get even one wrap of aluminum sheet in
there. What I ended up doing was using the permatex ultra copper gasket
maker and getting it in the header gap and rotated the crush seal to spread
it around the header and filed the header flange so the clamp would fit
better. Then once I felt the Permatex was in there enough and put the clamp
back in place and found the metal ring was not seating well and backed off
the clamp and forced the ring to fit well then tightened the clamp. I let
it sit now over 24 hours and have not started the car yet. My hope is it
will seal the leak and if not I'll remove the header . I just didn't want
to mess up the seal on the left since it does not leak. The empi header
flange on the right was not formed right as far as I can tell . It's the
header not the HE pipe . Now that the permatex is at least sealing the
crush ring to the header flange and the metal ring now sits against the
crush seal hopefully this will fix it at least until I can either replace
the system with something better or see what I can do with the empi cheapo
header removed . If the sealer blows out which I sort of doubt it will then
I'll see what I can do. I just can't handle the noise the leak makes .

William

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On Sat, Jul 28, 2018 at 10:35 AM, Jim Adney <jadney at vwtype3.org> wrote:

> On 27 Jul 2018 at 17:27, William Jahn wrote:
>
> > Does anyone know what a good HE  pipe OD is.
>
> I don't have anything here that's completely rust free, but from various
> things
> I can measure, it looks like it must be ~34 mm.
>
> > Also thought I had two old crush seals on the j pipes they are the mesh
> > crap.
>
> I was also disapppointed when I saw that the old style seals had been
> discontinued. I assume that was because they must have had asbestos in
> them, so getting rid of them was necessary.
>
> OTOH, I've had good luck with the metal mesh ones, and looking back at it,
> I
> suspect they could be smeared with muffler cement and work even better.
> That's what I'll do next time.
>
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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