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I really dont think any of that German hose is quality... OR its old stock that has deteriorated with age. I agree that the 7mm aspect really aggrivates this problem, but Ive had the 8mm stuff fail quickly too. Ive never seen the stress cracking on the Gates hose though. Nice documentation of whats going on here!! Try your 8mm German and see if the same thing happens, or if you have some thats been in service a bit see if it shows any signs of the same cracking... Keith > > This failed hose was good quality 7mm German hose. I have always felt that the > 7mm hose was too small for this application and I think this is the proof. I > have been using 8mm/5/16" hose for years with much better results. Even though > this 7mm hose is sold for this application I recommend that you NOT use it. > Don't use the 7.5mm hose that is somewhat better, either. Use 8mm/5/16" hose > and you'll be much happier. > > The 8mm hose does not have to stretch nearly as much to fit over the hose > fittings, and yet it still has no trouble sealing. > > -- > ******************************* > Jim Adney, jadney@vwtype3.org > Madison, Wisconsin, USA > ******************************* > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ~ Shameless link for search engines: http://listarchive.type3.org ~ > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >