87 TPI Fuel Pressure Setting

[Dan Plaskett]

I thought that originally too, but when you apply the formula for flow rate
with increased fuel pressure it works out to 20.88lb/hr.

Just in case you're wondering the formula is the square root of (P2/P1) x Q1
where
    P1=Original fuel pressure
    P2=New fuel pressure
    Q1=Original fuel flow rate

Divide P2 by P1 first, then take the square root of that number, then
multiply by Q1

Dan Plaskett

----- Original Message -----
From: "Keith Mezzina" <kmezzina at speakeasy.org>
To: <diy_efi at diy-efi.org>
Sent: Monday, April 10, 2000 3:13 PM
Subject: Re: 87 TPI Fuel Pressure Setting


> On Sat, 8 Apr 2000 10:05:59 -0500, "Dan Plaskett"
<dynastydan at worldnet.att.net>
> wrote:
>
> >The 5.0 (305) injectors are 19lb/hr @ 36psi.  The 5.7 (350)  injectors
are
> >22lb/hr @ 43.5psi
>
> Does this make anyone else think that they're the same injector, just
varying
> the rates by changing fuel pressure?
>
> - - - - - -
> 1973 Dodge Challenger (340/727/3.91SG/NOS) 13.01 @ 105 / 12.2 @ 112 (NOS)
> 1985 Z-28 Backhalf Race car (356/TH400/5.56)
> 1986 Dodge Ram 2X4 Pickup (440/727/3.55) (Daily Beater)
> Homepage: http://www.checkmateracing.com
> --------------------------------------------------------------------------
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