[DeTomaso] Any Issue with using an Oil Pressure Gauge for Fuel Pressure???

[boyd casey]

I bought all new MSD LAZER gauges for my car. The one problem i see is that
the oil pressure sending unit has a specific place to screw in to get a
pressure reading. My fuel pressue gauge (which is not MSD reads the pressure
by being "inline " in other words the fuel line goes right through the
fitting. Where would  you screw in the sending unit to get a reading for the
fuel pressure. And as mentioned earlier my car which is not EFI only gets
around 6psi on the fuel pressure . If you have an appropriate place to plumb
in the sending unit (which comes with the MSD LAZER oil pressure gauge )the
specs say it is accurate from 0 to 100 PSI. Another issue is that the MSD
oil pressure gauge is 2 5/8" while standard Pantera gauge panel openings are
2 1/8" so you also have to figure out wher you will put it. They do make a
dual sweep gauge  that is Vacuum and boost that is only 2 1/16"  . That
might be better suited to your purpose the boost range is 0 to 30 psi. Their
dual sweep gauges are very cool. They read one value on the left half and
one on the right.Boyd
On Mon, Mar 16, 2009 at 7:24 PM, Ken Green <kenn_green at yahoo.com> wrote:

> Jack,
>
>     The MSD gauges are "suppose" to be super accurate.  This is a
> turbocharges injected application, so fuel pressure will be about 43 PSI +
> boost (using a boost reference pressure regulator).  All the Autometer fuel
> pressure gauges are 15 PSI for carbs and 100 PSI for EFI.
>
> Ken
>
>
>
>
>
> --- On Mon, 3/16/09, JDeRyke at aol.com <JDeRyke at aol.com> wrote:
>
> From: JDeRyke at aol.com <JDeRyke at aol.com>
> Subject: Re: [DeTomaso] Any Issue with using an Oil Pressure Gauge for Fuel
> Pressure???
> To: kenn_green at yahoo.com, detomaso at realbig.com
> Date: Monday, March 16, 2009, 4:01 PM
>
> In a message dated 3/16/09 3:38:54 PM, kenn_green at yahoo.com writes:
>
> > The very cool MSD gauges being sold for about 1/4 retail include a 100
> PSI
>
> > oil pressure gauge.  Is there any obvious reason why it couldn't be
> used as a
> > fuel pressure gauge?
> >
> None except for an accuracy issue- gauge accuracy is usually 2% or 5% of
> FULL
> SCALE deflection, so a 0-15 psi carbureted gauge will be much closer to
> correct than a 0-100 psi gauge if both were connected to the same fuel
> pump.
> You
> might be able to 'tweek' the accuracy in the gauge works if it makes
> any
> difference to you. FWIW- J Deryke
>
>
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