[urq] Warning about Fuel Pressure Accum.

[Brendan K. Walsh]

That's assuming excess presure would bleed off through the injectors after
shutdown...

"If God had intended us to walk, he wouldn't have invented roller skates."
Gene Wilder, Willy Wonka and The Chocolate Factory.
----- Original Message -----
From: "Brendan K. Walsh" <bkwalsh4201 at hotmail.com>
To: "Phil Payne" <quattro at isham-research.com>; <quattro at audifans.com>;
<urq at audifans.com>
Sent: Friday, January 30, 2004 11:08 AM
Subject: Re: [urq] Warning about Fuel Pressure Accum.


> Interesting, I wonder what effect tweaking that would have on your
fueling,
> say setting it for 5.95 bar to maintain a higher static pressure while the
> car is running. Some obvious concerns about overdoing it, but maybe
there's
> a gain to be had for cis turbo cars, where a lean mixture is a problem at
> high rpms. I'm no expert on these systems, but maybe somebody else has an
> answer.
> Regards
> Brendan
>
> "If God had intended us to walk, he wouldn't have invented roller skates."
> Gene Wilder, Willy Wonka and The Chocolate Factory.
> ----- Original Message -----
> From: "Phil Payne" <quattro at isham-research.com>
> To: <quattro at audifans.com>; <urq at audifans.com>
> Sent: Friday, January 30, 2004 4:53 AM
> Subject: Re: [urq] Warning about Fuel Pressure Accum.
>
>
> > >  What I am calling Fuel Pressure regulator is the Zinc Chr. Plated
Cyl.
> you mention, and I
> > have for the time ruled this out as you mention failure IMO is rare, but
> that was one of the
> > questions I had asked.
> >
> > We could do with some serious post trimming on these lists.
> >
> > I think it was Scott Mockry who discovered that this device is
adjustable.
> If you remove it,
> > a long Allen key (I've forgotten what size, but I know it's a freaky
> half - 3.5mm or 4.5mm)
> > passed into the unit from the tank return end will engage in an internal
> Allen screw.  From
> > messing about, I suspect it's a residual pressure adjustment - but I
know
> that just fiddling
> > with it has restored a failed unit from 5.2 bar to the stock 5.85 bar.
> >
> > --
> >   Phil Payne
> >   http://www.isham-research.com
> >   +44 7785 302 803
> >
> >
> >
>
>