In a message dated 9/22/2005 1:33:28 PM Pacific Daylight Time,
> Date: Thu, 22 Sep 2005 10:48:07 -0700
> From: "Randall Young" <email@example.com>
> Subject: RE: overdrive question
> > You could, of course mess around with the pressure
> > relief valve to increase the pressure but this will give a very
> > rough/abrupt engagement
> With respect, Leon, this suggests to me that your friend is confused about
> how J-type overdrives work. The pressure relief valve is not in operation
> when the overdrive engages, and hence adjusting the valve can have
> absolutely no effect on engagement. (Unless you've turned the pressure down
> until it won't hold engagement.)
> A-type (and D) are of course an entirely different story.
> Hmmm, what you say Randall, does on reflection make sense, however, I am
> rather surprised that he has got it so wrong! I have known him since at least
> 1986 and his advice is hardly ever wrong, although he is human.
Leave it with me and I will put it to him and see hat he says. Yes he
really does exist - in England - but he is not a member of FOT.