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/ > |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.