<VV> Subject: Re: Float drop question

[Stephen Upham]

Mine doesn't have an oil pressure switch.  So, it should fill up the  
bowls before ignition.  I will be installing the impact switch, soon.

Stephen "and the next project is... (after getting it to idle of  
course  : (  )..." Upham


On Jul 24, 2008, at 10:25 AM, FrankCB at aol.com wrote:

> Stephen,
>     No!  As a safety feature, most aftermarket electric pump   
> installations send the electric feed to the pump through an oil  
> pressure switch so that when the engine STALLS and the oil pressure  
> drops to zero, the electric fuel pump automatically shuts itself  
> off.  Some, like mine, also have a MANUAL pushbutton switch that  
> can be activated from the driver's seat to bypass the oil pressure  
> switch and run the pump (with the ignition on) to fill the carb  
> BEFORE the engine starts.  This is convenient if the car isn't run  
> regularly and the carb is a LONG way from the cylinder heads (like  
> on 150/180 engines).  In addition, some installations (like mine)  
> have an IMPACT switch installed in the pump circuit that will cut  
> off the pump if the car is involved in a "high impact event" (aka  
> CRASH) and the engine stays running.  These are used on many  
> (most?) Ford products.  I've had to show a few friends of mine with  
> Fords just where these switches are located and explain how to  
> reset them in case they are disabled in a minor crash.  Am I the  
> only one who reads the owner's manual when they buy a car?
>     Frank "rhetorically" Burkhard
>
> In a message dated 7/24/2008 9:52:46 A.M. Eastern Daylight Time,  
> contactsmu at sbcglobal.net writes:
> OK, I'm new at this, but doesn't a car installed with an electric
> pump always have gas in the carb when the ignition is turned on?   If
> that is the case, there can be no contact of the float to the bottom
> of the carb at anytime that there is vibration of the car that would
> cause the float to rub against the bottom of the bowl.  During
> operation (driving) the bowl always has some gas in the bowl, right?
>
> Stephen "the carb education in theory and practice continues" Upham
>
>
>
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