[Healeys] Tapitty tapping of Fuel Pump

[i erbs]

clothes pins act as a heat sink and draw heat away from the fuel lines.
easily moved about to locate best location.
worked on my 65 Oldsmobile that I got in 1973. and my Healey in the late
70s and 80s in Los Angeles.

On Mon, Jun 22, 2020, 10:20 AM <warthodson at aol.com> wrote:

> Explain how they work, please.
> Gary Hodson
>
>
> -----Original Message-----
> From: i erbs <eyera3000 at gmail.com>
> To: Alan Seigrist <healey.nut at gmail.com>
> Cc: Editorgary at aol.com; Ahealey help <healeys at autox.team.net>
> Sent: Mon, Jun 22, 2020 10:46 am
> Subject: Re: [Healeys] Tapitty tapping of Fuel Pump
>
> wooden clothes pins worked great when I lived in Los Angeles.
>
> On Sun, Jun 21, 2020, 7:09 PM Alan Seigrist <healey.nut at gmail.com> wrote:
>
> Hi Gary -
>
> If you start hearing the pump run really quickly, it can be indicative of
> vapor lock getting back into the fuel line... can happen at the end of long
> trips.  It's because the fuel starts vaporizing around where the line goes
> into the floats, and the float jet then is no longer cutting off fuel flow
> because it is pushing vapor into the float bowls, which leaks out the
> overflow tube.  As long as your car is running it should be okay, you might
> use more fuel than normal.  Try wiring a piece of wood to the incoming fuel
> line - this is an old trick with Atlantics to act as a heat sink on hot
> days and stop vapor lock on the Atlantics which use mechanical fuel pumps.
>
> Best,
>
> Alan
>
> On Mon, Jun 22, 2020 at 9:12 AM editorgary--- via Healeys <
> healeys at autox.team.net> wrote:
>
> Yesterday I took my Healey BN& out for its first good run of the season --
> 75 miles of southern Oregon backroads -- with our local Rogue Euro Car
> Group. Everything was terrific from start to finish. Car started on the
> first push of the button after sitting for six weeks, ran smoothly from
> start to finish, never faltered in restarts, everything nominal.
>
> Except that, towards the end of the run on a pretty hot day (in mid 90s
> though the car never ran warm all day) as I was cruising along about 40
> mph, the fuel pump started tapping at a high rate of speed and pretty
> continuously -- certain enough so I could hear it behind me. I have a
> standard original-spec points-style fuel pump, purchased new from Moss
> about 10 years ago and running without any issues every since.
>
> Any thoughts from anyone -- could it just have been the heat? As noted,
> the car never missed a beat, so fuel was getting through the carbs smoothly
> at all times.
>
> Anyone?
>
> Gary Anderson
>
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