[Diy_efi] oil press.

[mark krawczuk]

hi, is sumthing wrong with your keyboard
???


mark k
----- Original Message ----- 
From: "Buck Williams" <buckwill33 at hotmail.com>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, 16 November 2005 9:16 AM
Subject: Re: [Diy_efi] oil press.


> ifff u go tto the trauickk wreckerss u can usally get,,,entire panel fulll 
> of high doallalr guages for minaimaum,, i just recentlyyy bought full 
> perterbuiltt panell full, 15-16 guagges for 20.00, tach, speedao, 
> prrometerr, oil, tranns and rear gear iol temps, full set,, all were 
> st4ewaart waranerr, buck
>
>
>>From: Rick McLeod <dunvegan at sbcglobal.net>
>>Reply-To: diy_efi at diy-efi.org
>>To: diy_efi at diy-efi.org
>>Subject: Re: [Diy_efi] oil press.
>>Date: Tue, 15 Nov 2005 12:11:19 -0800 (PST)
>>
>>Essentially, there are 2 components: 1st is the
>>sensor, 2nd is the indicator.
>>
>>The sensor is simply a pressure sensitive variable
>>resistor to ground (gennerally high resistance = 0psi,
>>low resistance = max psi), and the indicator is a
>>calibrated current meeter.
>>
>>Therefore, a micro/milli ampmeter w/ it's + terminal
>>connected to ign+ and in series w/ a calibration
>>resistor in series w/ the sensor which is connected to
>>ground will work. Adjust the calibration resistor so
>>that the meter deflects to 1/2 to 2/3 scale w/ max
>>good oil pressure, and you'll see it drop at idle to I
>>suspect 1/3 to 1/2 scale, then you have a system. It
>>is not necessary to know the exact psi in your case,
>>as much as knowing it's good today, and have an
>>idication of impending disaster before it becomes a
>>China Syndrome!
>>
>>Good luck, simple ohm's law will help determine the
>>values of resistor, which should not be greater than
>>the value of 0psi resistance of the sender, more
>>critical is the guage should match the sendor.
>>
>>If all this sounds complicated, then 40 coin sounds
>>cheap to me, also I drove a VW for 5 years w/ a faulty
>>oil sender by using a mechanical guage, ran a small
>>ptfe tube from a T on the sendor to a small guage
>>under the dash, when the factory sendor failed, it
>>caused a buzzer to sound, so I glanced at the
>>mechanical guage to verify if it was a real or false.
>>BTW, replaced every component in the circuitry on that
>>car 3 times, never could cure it, but always had
>>pressure. Cost of the mechanical guage was ~15 coins
>>US.
>>
>>HTH - rick
>>
>>--- "Lee M. Lemoine" <llemoine at gmail.com> wrote:
>>
>> > There are several types of these available from
>> > manufacturers such as VDO,
>> > Autometer, and your local pepboys/autozone can
>> > probably order them too ;)
>> >
>> >
>> >
>> > On 11/15/05, Ian Molton <spyro at f2s.com> wrote:
>> > >
>> > > Hi guys.
>> > >
>> > > not strictly on topic, but I thought you might be
>> > able to help...
>> > >
>> > > Im looking for an electronic oil pressure sensor
>> > and dash guage pair for
>> > > my car. cheap is good as long as its reliable and
>> > reasonably accurate.
>> > > _______________________________________________
>> > > Diy_efi mailing list
>> > > Diy_efi at diy-efi.org
>> > > http://lists.diy-efi.org/mailman/listinfo/diy_efi
>> > >
>> >
>> >
>> >
>> > --
>> > Sincerely,
>> >
>> > Lee M. Lemoine
>> > http://www.turbochargedsoul.com/
>> > > _______________________________________________
>> > Diy_efi mailing list
>> > Diy_efi at diy-efi.org
>> > http://lists.diy-efi.org/mailman/listinfo/diy_efi
>> >
>>
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