[Rhodes22-list] Bonnie Fuel Pump Problems

[Hank]

Mike,

Your scenario sure makes a lot of sense to me.  Check it out, Brad.

Hank

On 11/8/06, Michael D. Weisner <mweisner at ebsmed.com> wrote:
>
> Hank and Brad,
>
> The situation the you refer to is found in a carb (normally aspirated)
> equipped engine fuel bowl fill problem.  Either the float level is set too
> low or the bad pump doesn't have enough pressure to open the inlet
> valve.  A
> 12 pound output (if the gauge is correct) should be plenty of pressure to
> do
> the job.
>
> I still think that the problem is related to the line going to the
> pump.  If
> the line is kinked, the pump may have difficulty drawing enough fuel
> through
> the high resistance of the line when at low RPM (reduced output).  This is
> akin to trying to breath through a narrow hose compared to a large bore
> hose
> when under water.  It is much harder to suck through the narrow
> tubing.  The
> electric pump, which I presume is located near the tank, pushes the fuel
> through the line at full (30 PSI?) pressure, regardless of engine speed.
>
> Is the problem related to both (or several) tanks?  If it is, the problem
> may be in the tank selector.
>
> Mike
>
>
>