[Healeys] Facet Cube 12v Fuel Pump, 1/8 NPT, 2-3.5 psi | Pegasus Auto Racing Supplies

John Harper ah100register at gmail.com
Wed Feb 19 09:06:42 MST 2020


Steve

I also encountered a SU electric pump no working when it became rather hot.
Not only due to its own heat but that coming to it from the exhaust pipe on
a very hot day. I have made a test rig on the same basis as the 'official'
version. I left this pump running at the full flow rate for many hours but
just as I was about to finish the test it stopped. It was quite hot running
at full rate for so long. but when it cooled it ran fine.

Eventually I discovered that when hot the throw over stopped working. This
led to the discovery that the diaphragm was too 'tight'. I then found that
later repair instruction called for more part turns before replacing the
base. In fact two extra clamping holes.

I have to assume that the setting was right on the edge and when the
temperature rose the diaphragm became tighter. Since then the pump has been
refitted to my BN1 and works fine.

Best regards

On Wed, 19 Feb 2020 at 15:31, Max Byers <sbyers at ec.rr.com> wrote:

> Hello, Healeyphiles!
>
>
>
> As part of the preparation for the cross-country drive to Lake Tahoe for
> Open Roads 2002, I added a generic electric backup fuel pump (P/N E8016S,
> from Autozone) to my BJ8 with a switch under the dash that allows switching
> to either pump, or turning both off.  I chose to plumb the backup pump into
> the system in series with the SU because the installation was much simpler
> than doing it in parallel.  That arrangement works perfectly well.  Either
> pump can pump through the inactive pump.  All that was required was to cut
> the hard fuel line from the SU to the carbs, which I had already done
> anyway to install an in-line fuel filter there under the RH rear seat.  To
> install the backup pump then only required removing the filter, running new
> rubber fuel hoses to complete the system, and reinstalling the filter.
>  Quick access to the pumps and the filter is done by using chrome screws
> from above into anchor nuts on the seat structure, rather than having to
> remove a wheel to access the seat stud nuts.  I can remove the seat to have
> full access to both pumps, the filter, the hoses, and the wiring (it also
> makes checking and topping up the differential oil much easier).  The
> backup pump is attached to the front wall of the boot behind the rear
> axle.  It is quiet with only a slight hum, and I can’t hear it with the
> engine running.
>
>
>
> My usual practice is to run on the SU on an outbound leg of a trip, then
> switch to the backup for the return.  Three times since doing the
> modification, I have had occasion to switch to the backup when the SU
> stumbled (in the middle of Atlanta traffic) and twice when it failed to
> start the car.  These “failures” were only temporary because the SU
> performed just fine when switched back later.  I have since rebuilt the
> SU.  After Conclave in Deadwood, I joined the group touring the northern
> states, and decided to split off from them and make a 160-mile detour alone
> over into Montana just to check that state off my list.  The weather that
> day was rainy and chilly.  Just as I got into Montana on an isolated
> country road, I felt the car suddenly failing to respond to the
> accelerator.  As soon as I figured out what was happening, I switched to
> the SU and kept motoring.  I was able to find another identical generic
> pump at Autozone in Minot, ND the next morning and had it installed in
> about 15 minutes.  I used it to get back to North Carolina.  Easy peasy…. I
> was so glad not to have to rely on having to install a spare carried in the
> boot, on the side of the road, in the rain or in the dark.
>
>
>
> Steve Byers
>
> HBJ8L/36666
>
> BJ8 Registry
>
> AHCA Delegate at Large
>
> Havelock, NC  USA
>
>
>
>
>
>
>
>
>
> *From:* Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of *warthodson---
> via Healeys
> *Sent:* Sunday, February 16, 2020 10:20 AM
> *To:* eyera3000 at gmail.com; healeys at autox.team.net
> *Subject:* Re: [Healeys] Facet Cube 12v Fuel Pump, 1/8 NPT, 2-3.5 psi |
> Pegasus Auto Racing Supplies
>
>
>
> Why do so many people replace an original SU pump that has lasted decades
> with an aftermarket pump that requires modifying the fuel lines, adding
> additional fittings, clamps & altering the mounting brackets (all
> additional sources of failures), vibrates continuously, etc, when it would
> be so much easier & more original to simply replace it with a new highly
> reliable SU fuel pump? If you are concerned about being stranded at the
> side of the road, carry a spare SU or even better install it in parallel &
> wire up a selector switch so you can switch between the two pumps.
>
> Gary Hodson
>
> -----Original Message-----
> From: I Erbs <eyera3000 at gmail.com>
> To: Ahealey help <healeys at autox.team.net>
> Sent: Sun, Feb 16, 2020 1:35 am
> Subject: [Healeys] Facet Cube 12v Fuel Pump, 1/8 NPT, 2-3.5 psi | Pegasus
> Auto Racing Supplies
>
> https://www.pegasusautoracing.com/productdetails.asp?RecID=7550
>
> Ira Erbs
> Portland, OR
> typos and errors generated by my phone
>
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-- 
Best wishes

John Harper

AHC UK 100 Register Secretary
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