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

William Jahn willjahn975 at gmail.com
Mon Aug 6 11:57:46 PDT 2018


Well drove the car last night and today, NO more exhaust leaks . I can't
say if it was fixing the header flare and getting the metal ring to seat
better or if the permatex sealer helped .

William

On Sun, Aug 5, 2018 at 3:58 PM, William Jahn <willjahn975 at gmail.com> wrote:

> I used a small screw driver to get the metal ring up against the mesh
> crush ring/seal because it was only hitting at best half the crush ring . I
> got it to contact all the way around so it's even now. I even took a 1/4"
> square metal bar stock I had to try the beat the empi header so called cone
> lip so it was more of a inside cone shape the filed the outer edge to a
> bevel so the clamp would not stop against it. Did this before filing or
> adding sealer . I think the main issue was both the sealing surface of the
> header and the metal ring not seating fully around the mesh crush ring
> which is all this sort of clamp/seal system does . The crush ring does fit
> snug on the HE pipe.
>
> William
>
> On Sun, Aug 5, 2018 at 3:48 PM, William Jahn <willjahn975 at gmail.com>
> wrote:
>
>> 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
>>
>>
>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> Virus-free.
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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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>>
>>
>
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