[Healeys] Electric water pumps

Alan Seigrist healey.nut at gmail.com
Mon Aug 29 18:20:29 MDT 2022


I used to have a ‘66 Bronco with the fold down screen so Ford put vacuum
wipers on it.

when it rained I would have to alternate speeding up and then “jake
braking” to get the wipers to go fast enough to clear the water off the
windshield in a heavy downpour…

On Mon, 29 Aug 2022 at 7:21 PM, Michael Oritt <michael.oritt at gmail.com>
wrote:

> The same could be said for the oil pump whose role is much more critical
> than the water pump.  Since it is driven by the cam it operates in direct
> variation to engine speed and is supplying less oil under less pressure in
> top gear at highway cruising speed than when in lower gears accelerating,
> etc.  Since there is a bypass valve in the oil system perhaps there is an
> abundance of oil being pumped through the engine and this is not an issue,
> but at least theoretically the situation is the same.  And for those of us
> old enough to remember how old vacuum-operated windshield worked you had
> the same deficiency under acceleration when you might most need a clear
> view.
>
> Just sayin....
>
> Best--Michael Oritt
>
> On Sun, Aug 28, 2022 at 11:58 PM Alan Seigrist via Healeys <
> healeys at autox.team.net> wrote:
>
>> Hi Bob -
>>
>> Just remember that the cooling system is meant to work in balance, so
>> increasing the water flow through the system often may not actually reduce
>> temperatures, since the water must flow through the radiator slowly enough
>> to cool down.  If you push water through the radiator too fast, you might
>> just end up recycling hot water back into a hot engine.  So if you put a
>> pump on the car, I would put a supplementary tandem pump, not one that is
>> meant to work alone.
>>
>> Best,
>>
>> Alan
>>
>>
>> On Mon, Aug 29, 2022 at 6:43 AM Bob Haskell <rchaskell at earthlink.net>
>> wrote:
>>
>>> Anyone fitted an electric water pump to replace the mechanical pump?
>>> One can go whole hog with an electric fan, a temperature sensor in the
>>> upper radiator hose and a controller.  Takes the place of the thermostat
>>> and the impeller on the mechanical pump.
>>>
>>> https://daviescraig.com/electric-water-pumps
>>>
>>> A bit beyond a Pertronix, but still reversible.
>>>
>>> --
>>> Cheers,
>>>
>>> Bob Haskell
>>> Austin Healey 3000 BN7/BT7 registrar
>>>
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