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On 13 May 2005 at 16:05, Constantino Tobio wrote: > Russ Wolfe wrote: > > >Ideally, you would want the system to hold about 15psi for 72 hours. > >That is one of the specs we have when we build new fuel regulators. > >It helps for cold start the next morning. > Would a tired fuel pressure regulator be the cause losing pressure? It's possible, but I doubt it. They are pretty nicely made. The seal is metal to metal and should wear in rather than wear out. The sealing surfaces looked beautiful on the only one I ever took apart. That one belonged to Keith, and had caused him some unrelated trouble. To be fair, however, I wasn't able to see anything wrong with it once I got it apart. It's possible that it had gotten some dirt in it that fell out when I cut it open. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~