Thanks for confirming Mike.

Even though I'm "making it up" as I go along and have some wiggle room
on remaining parts of exhaust, I would like to get flange/primaries
lined up as accurately as I can. Good to know I can tack stuff in
place.

Neil.

On Sun, Mar 30, 2008 at 4:35 PM, Mike <mbucchino@charter.net> wrote:
> Yes to tacking before bringing to maintain positioning.  You don't anything
>  to shift at all.
>
>  Yes to leaving room for welding inside flange.  (so you don't to have to
>  grind off any of the weld from the flange for a flat surface).
>
>
>  Mike B.
>
>  ----- Original Message -----
>  From: "neil N" <musomuso@GMAIL.COM>
>  To: <vanagon@GERRY.VANAGON.COM>
>
>
> Sent: Sunday, March 30, 2008 5:08 PM
>  Subject: Re: Opinions needed. Exhaust pipes too close? PICS
>
>
>  > Yes that was my thought. To get position where I want it.
>  >
>  > One thing I didn't express here was that I'm just not certain if pipe
>  > should be inserted in flange hole half way (to leave room to weld
>  > inside hole) or if pipe end should be flush with top of flange.
>  >
>  > Neil.
>  >
>  > On Sun, Mar 30, 2008 at 1:58 PM, Mike Collum <collum@verizon.net> wrote:
>  >> 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/
>  >>  >
>  >>
>  >
>  >
>  >
>  > --
>  > Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
>  >
>  > http://web.mac.com/tubaneil
>  > http://tubaneil.googlepages.com/
>  >
>
>

--
Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"

http://web.mac.com/tubaneil
http://tubaneil.googlepages.com/