[Diy_efi] Bosch Fuel Pressure Regulator Specs?

[Chris Carson]

I would hate to steer the topic away from original, but I'm nearing
completion and need a FPR to run permanently. What cars in the 'yard can I
find a good FPR on? I have this 76-80 Seville FPR, but I have reason to
believe it runs a lower pressure than 43.5, which is what I need. It would
be neat, too, to have one that could be shoved into the end of my fuel rail,
which is slightly smaller than 1/2" (can also be tapped.)
Chris

----- Original Message -----
From: <clair.davis at charter.net>
To: "diy_efi" <diy_efi at diy-efi.org>
Sent: Friday, July 23, 2004 10:12 PM
Subject: [Diy_efi] Bosch Fuel Pressure Regulator Specs?


> I'm sorting out how to handle my FPR, feed, and return lines in a
relatively
> tidy way, and I've just about got what I want ironed out.  I want to use
one
> of the fairly common FPR's that have basically a 14mm injector
> fitting/o-ring inlet, with a bolt-down strap to hold the FPR to the fuel
> rail.  These are part of essentially ALL 2.2 & 2.5L turbo Mopar EFI
systems,
> and I'm using one of those to mock up what I want.  Problem is that as far
> as I can tell, the typical MPI Chrysler product runs a higher fuel
pressure
> (48-55 psi with no vacuum), and my 7730/TPI-based system is probably
> expecting something in the low 40's (must get factory service manual...).
> The questions are:
> 1) google has come up empty when I search for PN's and specs for the
various
> Bosch FPR's.  I just KNOW someone has compiled this data... any hints?
The
> goal is to find the Chrysler-style FPR with GM pressure rating that I can
> buy at NAPA or Auto Zone.
> 2) failing that, will 5 psi really make that much difference?  I'm going
to
> run some of the simple formulas to check this, just looking for some real
> world experience.
> Thanks, folks!
>
> Clair
> Chrysler 340 w/7730
> FTWTX
>
>
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> diy_efi at diy-efi.org
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