Date:         Sun, 30 Mar 2008 16:58:55 -0400
Reply-To:     Mike Collum <collum@VERIZON.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mike Collum <collum@VERIZON.NET>
Subject:      Re: Opinions needed. Exhaust pipes too close? PICS
In-Reply-To:  <c4e7c5f90803301348j2b464840j6bba61a2552f13ec@mail.gmail.com>
Content-type: text/plain; charset=ISO-8859-1; format=flowed

My thought is that by initially tacking them yourself, you are more apt
to get them "Where" you want them.  Of course, you could always discuss
it with the person who will be doing the final welding beforehand.

Mike



neil N wrote:
> Interesting to note your success with pipes that did touch. I just did
> a little more tweaking. I got them closer to level, and about a 1/4"
> gap.
>
> The pipes in the images are short, but I will be welding on another 90
> degree to each, then of course, the rest of the exhaust system. I
> didn't make that clear in my first post.
>
> And speaking of "secure", I'll be incorporating a flex joint and will
> brace the muffler to engine. Even so, I am glad I'll be getting a pro
> to do the welds at flange. --- ;^)
>
> Anyone know if I can tack weld these in place before taking them to the welder?
>
> I imagine he would do his own tacks, grind off mine, then weld. But
> I'm not sure of that.
>
> Neil.
>
>
>
> On Sun, Mar 30, 2008 at 12:50 PM, Mike <mbucchino@charter.net> wrote:
>>   These pipes appear to be very short, will be held very securely and the
>>  material is pretty rigid.  I doubt it will 'grind holes' where they touch,
>>  but a small clearance would prevent even that possibility.
>>    I have had exhaust systems that had similar pipes touching, and they
>>  never failed where they touched.
>>
>>  Mike B.
>>
>>
>>  ----- Original Message -----
>>  From: "Jake de Villiers" <crescentbeachguitar@GMAIL.COM>
>>  To: <vanagon@GERRY.VANAGON.COM>
>>
>>
>> Sent: Sunday, March 30, 2008 3:29 PM
>>  Subject: Re: Opinions needed. Exhaust pipes too close? PICS
>>
>>
>>  > The vibrations will grind holes in the pipes where they're touching.  I'd
>>  > move them, myself.
>>  >
>>  > On Sun, Mar 30, 2008 at 11:24 AM, Mike <mbucchino@charter.net> wrote:
>>  >
>>  >> Touching should be fine.  Many other vehicle exhaust systems hav pipes
>>  >> that
>>  >> touch.  Only corrosion-resistance may be affected, if its horizontal and
>>  >> tends to trap mud and water.  You vertical arrangement shouldn't have
>>  >> that
>>  >> issue.
>>  >>
>>  >> Mike B.
>>  >>
>>  >> ----- Original Message -----
>>  >> From: "neil N" <musomuso@GMAIL.COM>
>>  >> To: <vanagon@GERRY.VANAGON.COM>
>>  >> Sent: Sunday, March 30, 2008 1:54 PM
>>  >> Subject: Opinions needed. Exhaust pipes too close? PICS
>>  >>
>>  >>
>>  >> > Hi all.
>>  >> >
>>  >> > http://tubaneil.googlepages.com/exhaust
>>  >> >
>>  >> > In one image I could leave them touching, (contact area small) the
>>  >> > other I could fudge the angles but would prefer not to.
>>  >> >
>>  >> > In either case, I'd be cutting these pipes shorter and welding 90
>>  >> > degree elbows to them.
>>  >> >
>>  >> > Is heat, where pipes touch, a problem? Should they have seperation?
>>  >> >
>>  >> > Thanks!
>>  >> >
>>  >> > Neil.
>>  >> >
>>  >> >
>>  >> > --
>>  >> > Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
>>  >> >
>>  >> > http://web.mac.com/tubaneil
>>  >> > http://tubaneil.googlepages.com/
>>  >> >
>>  >>
>>  >
>>  >
>>  >
>>  > --
>>  > Jake
>>  > 1984 Vanagon GL
>>  > 1986 Westy Weekender "Dixie"
>>  > Crescent Beach, BC
>>  > www.crescentbeachguitar.com
>>  > http://subyjake.googlepages.com/mydixiedarlin%27
>>  >
>>
>
>
>
> --
> Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
>
> http://web.mac.com/tubaneil
> http://tubaneil.googlepages.com/
>