Right vibrations. And as been pointed out by another helpful lister:
expansion (heat)

I'll do my best to get at least a little room between them.

Thanks Jake!

Neil.

On Sun, Mar 30, 2008 at 12:29 PM, Jake de Villiers
<crescentbeachguitar@gmail.com> wrote:
> 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/