[DeTomaso] Electric Water Pumps, The 21st Century of Water Circulation

Sat Apr 13 11:28:05 EDT 2013

Hi Thomas,

15A is not enough, but they have a 32amp version, which should not be 
that far off in reality?

-Janne

4/13/2013 4:50 PM, Tomas Gunnarsson kirjoitti:
> Janne,
> That alternator works for a race car at best. For street driving the 
> output is too low for general use.
> Tomas
>
> <-----Ursprungligt Meddelande----->
> From: eb0711 at kolumbus.fi [eb0711 at kolumbus.fi]
> Sent: 13/4/2013 12:29:49 PM
> To: detomaso at poca.com
> Subject: Re: [DeTomaso] Electric Water Pumps,The 21st Century of Water 
> Circulation
>
> I'd rather like to try this good looking mechanical water pump which has
> integrated permanent magnet alternator.
> http://www.racemate.com/alt_ford.html
>
> Don't know if windsor pump could be adopted to cleveland though...
>
> -Janne
>
> 4/13/2013 12:56 PM, Tomas Gunnarsson kirjoitti:
> > Interesting. A friend with a supercharged 4.6 in his Pantera tried an
> > electric water pump but had to go back to mechanical due to insufficient
> > cooling. Don't know what pump he used though.
> >
> > Tomas
> >
> > <-----Ursprungligt Meddelande----->
> > From: Chris Difani [csdifani at gmail.com]
> > Sent: 13/4/2013 11:35:05 AM
> > To: detomaso at poca.com; csdifani at gmail.com
> > Subject: [DeTomaso] Electric Water Pumps,The 21st Century of Water
> > Circulation
> >
> > Folks:
> >
> > I have a Meziere electric water pump in my 5.4L SOHC supercharged
> > engine.
> > I did this for a number of reasons, the two most important are the
> > quality
> > of the Meziere pump, and the output of the pump.
> >
> > *http://www.meziere.com/ps-1158-1126-wp346s.aspx*
> >
> > or
> >
> > *http://www.meziere.com/displaycategory.aspx?d=244,388,128,312,332,302,2
> > 49*
> >
> > Meziere got their start building electric pumps for NASA. They were the
> > first to use rare earth magnets in their electric pump motors. They went
> > into the aftermarket automotive world as a natural growth area for their
> > products.
> >
> > All of their electric pumps are guaranteed for 2000 hours of use, or
> > more.
> > That's a long service life. Second is their GPM output, which is rated
> > at
> > 35 or 55 GPM. While OEM mechanical water pumps may out flow that rate at
> > high RPMs, that extra flow isn't necessary, it's just a horsepower sink.
> > Your radiator can process only "so much" coolant per minute. In fact
> > there
> > is an optimal water flow speed for radiators, too fast and the coolant
> > can't exchange its' heat, too slow, and the coolant is cooled too much
> > before exiting the radiator.
> >
> > Radiators are designed to "radiate", or exchange a specific heat load.
> > That's why there's large radiators, and small radiators. Radiators are
> > also designed for specific water flow rates.
> >
> > The point of this is that an engine cooling system is a *system*, and it
> > takes all the pieces to operate as an effective system. Plus the pieces
> > need to be matched; from the radiator cap, to the hose size, to the
> > radiator flow rating, to the thermostat, to the air flow circulation, to
> > the pump. The pump is critical, but so is the radiator cap, the coolant;
> > all the pieces.
> >
> > Personally not only do I have an electric water pump, but I also use a
> > high
> > temperature coolant (Evans since it won't cause dissimilar metals
> > corrosion- Al heads, iron block, has a boiling point of 370F, and does
> > it
> > at atmospheric pressure), a double row Fluidyne aluminum radiator, a 3
> > PSI
> > radiator cap, a high flow thermostat specifically designed for my
> > coolant
> > and system, and so on and so forth.
> >
> > My Meziere pump is an outstanding piece of engineering. When my ignition
> > is "On", I can *not* hear my pump in operation, and I can not feel the
> > operating pump. I can *barely* hear it with an electronic stethoscope.
> > It's incredibly smooth too. If it wasn't for my electrical
> > instrumentation, I wouldn't ever know the pump is operating.
> >
> > Plus, *when my engine is idling in traffic, or creeping along in
> > gridlock,
> > my coolant is circulating at full speed. *
> >
> > Now I do admit that the Meziere is more expensive than a premium
> > mechanical
> > pump. But being able to know my coolant is circulating as soon as I flip
> > the switch is a really nice feeling. Plus I don't have to worry about
> > fan
> > belts either! If my serpentine belt fails, my AC stops, my alternator
> > stops, and my Meziere and Bosch pumps will operate for 9 hours (at a
> > minimum).
> >
> > My pump (as all the Meziere pumps designed for Ford engines) draws 12
> > amps
> > at start. After startup, the amperage draw drops to about 8 amps. And it
> > stays there. It is a complete replacement for the OEM mechanical pump,
> > as
> > are the 351C pumps.
> >
> > One other factor in favor of electric pumps is the horsepower savings.
> > According to Meziere, electric pumps save 11 to 14HP, especially at the
> > higher RPM levels. I can't recommend them highly enough. At least the
> > Meziere pumps. There are other brands, and they have good reputations,
> > but
> > I only have personal experience with the Meziere models.
> >
> > So, no fan belt issues, no circulation issues, significant HP savings,
> > and
> > excellent service life. I don't think you can go wrong with the Meziere
> > pumps... especially if you're living in the 21st century....
> >
> > Chris
> >
> > Chris Difani
> > '73 L #5829 "LITNNG"
> > Sacramento, CA
> > Email: csdifani at gmail.com
> >
> > PS: "Water pump" pliers were developed by Henry Fords' engineers, and
> > were
> > included in the Model A factory tool kit in the 1920s. They can be very,
> > very helpful, and a 24" pair of water pump pliers can open just about *
> > anything*.
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