Matt, in your experience, what are the odds of having a brand new Bosch FPR
be out of spec by more than 5%?

John Lauterbach
Macon, GA

----- Original Message -----
From: "Matthew Pollard" <poll7356@UIDAHO.EDU>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, August 17, 2001 4:03 PM
Subject: Re: fuel pressure regulator and manifold vacuum experiment

> > I have one of these vacuum guages and I have borrowed Robert Lilley's
fuel
> > pressure guage, so I will give your test a try next week.  I measured it
> > last weekend at 32 psi unconnected and 39 psi connected -- slightly too
> > high but not enough to worry about, I hope.  I forgot to plug the
manifold
> > vacuum hose, though, so I need to repeat this measurement.  (What does
the
> > g stand for in psig?)
> >
>
> Wait!  Slightly too high? Like how much? 3psi is about 10%... follow that
> through and it means 10% more gas in the injectors.... It should be dead
> one spec.  A bit high (on two independent gauges) is not acceptable. I've
> been down this long road before....
>