[Shotimes] fuel pressure regulator and 255lph pump issue

[Paul Nimz]

I always wondered on my '93 why I got a low fuel pump code.  Never could find
any documentation of it on the '93.  Must have been leftovers.

Paul

On 9/12/2005 8:45:31 PM, Carl Prochilo (gr8sho@prochilo.myserver.org) wrote:
> Interesting, I did not know this.  Is there a write-up somewhere that
> describes this system?  From what I saw when I replaced my pump, it is
> fairly low tech, but mine is a 92.
> --
> Cheers,
> Carl Prochilo
> 92 Ultra Red Crimson
>
> On Mon, September 12, 2005 6:49, Adam Parrott said:
> > Something else to remember is that the '89-'90 cars have a factory
> > installed
> > 2-speed fuel pump system that is absent/disabled on the later
> ('91 and
> > up)
> > cars.  Since this two-speed system runs at low speed (and thus low
> > flow) at
> > lower TPS voltages, the '89-
> '90 cars usually do not show the same
> > over-pressurization problems with the 190lph and perhaps even the
> > 'regular
> >
> pressure' 255lph pumps.
> >
> > Adam
> >
> >
> >   ----- Original Message -----
> >   From: Bruce Malachuk
> >   To: 'Carl
> Prochilo' ; shotimes@autox.team.net
> >   Sent: Sunday, September 11, 2005 9:42 AM
> >   Subject: RE: [Shotimes] fuel pressure regulator and 255lph pump
> > issue
> >
> >
> >   I've
> found that the 190lph
> won't always over run the stock F