

| Subject: | Re: Engine Conversion exhust sugestion |
| From: | Joel Hembel |
| Date: | Wed, 5 Jan 2000 17:41:25 -0600 |
I've seen these flexible stainless mesh exhaust pipe sections, at a local parts store that specializes in import cars. Certainly a muffler shop has um? Joel Hembel Rob & Lrae Winterkorn wrote: > I experienced the same situation with my 1.8 GTI powered 84, every 3-6 months > some part of the exhaust needed attention. > usually a stress crack. Until I welded in a stainless steel braided flexible > section that I found at the junk yard. They are > > Frank Grunthaner wrote: > > > David, > > > > Your comment about hard mounting the exhaust and muffler to the engine "so it > > can't vibrate" runs completely counter to my experience. The first three > > muffler systems my muffler shop put on were hard mounted at their insistence. > > Each cracked and broke at one or more weld joints. I'm now on my fourth > > muffler system and upgraded lower level rubber hangers to thick double sided > > truck versions to damp vibrations. I paid for one and a half of these exhaust > > systems and have more than 1.5 years on the current system with no problems. > > BTW this is a very professional shop with extensive VW racing experience - in > > other words, the vibration broke the joint at the carbon denuded side (edge > > of pipe at the weld). > > > > Frank Grunthaner > > on most any Japanese car. > > Rob > > Frank Grunthaner wrote: > > > David, > > > > Your comment about hard mounting the exhaust and muffler to the engine "so it > > can't vibrate" runs completely counter to my experience. The first three > > muffler systems my muffler shop put on were hard mounted at their insistence. > > Each cracked and broke at one or more weld joints. I'm now on my fourth > > muffler system and upgraded lower level rubber hangers to thick double sided > > truck versions to damp vibrations. I paid for one and a half of these exhaust > > systems and have more than 1.5 years on the current system with no problems. > > BTW this is a very professional shop with extensive VW racing experience - in > > other words, the vibration broke the joint at the carbon denuded side (edge > > of pipe at the weld). > > > > Frank Grunthaner
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