[Healeys] Tapitty tapping of Fuel Pump
gradea1 at charter.net
gradea1 at charter.net
Wed Jun 24 10:43:29 MDT 2020
could we use copper or aluminum clothes pins? Hank
-----------------------------------------From: "warthodson--- via
Healeys"
To: "ab7vf at yahoo.com", "eyera3000 at gmail.com", "healey.nut at gmail.com"
Cc: "editorgary at aol.com", "healeys at autox.team.net"
Sent: Wednesday June 24 2020 8:32:28AM
Subject: Re: [Healeys] Tapitty tapping of Fuel Pump
Jim, A cloths pin is 1/2" wide. Not enough insulation & definitely
not a "heat sink". Gary Hodson
-----Original Message-----
From: jim
To: eyera3000 at gmail.com ; healey.nut at gmail.com ; warthodson at aol.com
Cc: Editorgary at aol.com ; healeys at autox.team.net
Sent: Mon, Jun 22, 2020 12:42 pm
Subject: Re: [Healeys] Tapitty tapping of Fuel Pump
Turning liquid (gasoline) into vaper or gas (phase change from
liquid to gas) requires HEAT input .Or pressure drop.....Insulate from
heat, no vapor
Jim
On Monday, June 22, 2020, 10:21:10 AM PDT, warthodson--- via
Healeys wrote:
Explain how they work, please. Gary Hodson
-----Original Message-----
From: i erbs
To: Alan Seigrist
Cc: Editorgary at aol.com; Ahealey help
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 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 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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