Got some pics of your installation? Those pumps all looked like
turbochargers to me.
On 8/29/2022 9:32 AM, rfbegani@gmail.com wrote:
> Guys,
>
> I have tested the temperature of the water at the hose coming to the radiator
> and at the bottom going up to the inlet. While I do not have exact
> information because I am not in Florida, I can assure you there is a very
> nice differential between the hot incoming and the much cooler out going of
> the radiator. Other on this list who are using the Davis water pump are
> considering removing the fan altogether. I have removed my Texas Fan as it is
> no longer needed. Try it you will like it. Remember modern automobiles have
> electric pump moving water to and from the radiator as they were designed
> without a fan/water pump.
>
> Summit Racing has the water pumps in stock.
>
> Bob Begani
>
> -----Original Message-----
> From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Bob Haskell via
> Healeys
> Sent: Monday, August 29, 2022 6:05 AM
> To: Alan Seigrist <healey.nut@gmail.com>
> Cc: Healey List <healeys@autox.team.net>
> Subject: Re: [Healeys] Electric water pumps
>
> Alan,
>
> I have the same concern. I sent their US rep an email asking about that.
> Seems like there ought to be a temperature sensor in the lower radiator hose
> to look at the temperature drop between radiator in/out. The temperature drop
> would be affected by (electric) fan speed and the flow rate.
>
> They sell different size pumps. Based on their table, the EWP115
> (115liters/minute maximum) is what they recommend for engines between
> 2.0 and 3.5 liters. Anyone know what the flow rate is for a stock water pump?
>
> Cheers,
>
> Bob Haskell
> Austin Healey 3000 BN7/BT7 registrar
>
> On 8/28/22 11:56 PM, Alan Seigrist 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@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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