Electric Water Pump
#1
Electric Water Pump
So, I have searched, and I have found many posts that discuss doing it, but I haven't found any that comment on it after completion. Many argue about whether it has enough flow once in a pressurized system. Does anyone have actual knowledge of one that will work on the FC and have enough flow for a turbocharged car that gets a lot of autocross time and runs in the hills?
#2
Now With 10th AE Fun!
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I remember seeing a very old .jpg of an ad that was for an electric water pump. I cannot remember who made it, but I doubt they still do. I don't know if the benefits outweigh the costs.
#3
There are plenty of electric water pumps available and even an adapter specifically for the 13b for the plumbing. Finding them is not a problem. The concern is that the flow rates are listed as free flow and there have been concerns about the flow once in a pressurized system. I am just looking for information from anyone who has done it or seen it completed so I know if their is enough flow once in a pressurized system.
#4
Engine, Not Motor
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They seem to work fine on 12As, 13Bs and 20Bs. Many people run them, but most often in a track only car. There just isn't a need for such a thing on a street car.
Obviously, electric water pumps are designed to operate in a pressurized system. If you think about it, from the pump's point of view, outlet pressure doesn't matter if inlet pressure is already higher.
Obviously, electric water pumps are designed to operate in a pressurized system. If you think about it, from the pump's point of view, outlet pressure doesn't matter if inlet pressure is already higher.
#5
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Exactly! I was just about to add that when it is in a closed system, I wouldn't call it a pump any more, it is more of a circulator. It doesn't matter what the pressure in the system is, it still sees the same differential pressure!
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#10
The General RE
Here's the nicest adapter I've found.
http://www.meziere.com/ps-1300-1266-wp91.aspx#
Once you have this part you would have many choices of universal eWaterPumps to use, you just need to figure out how much flow you need. I don't have a number for you though, but I bet if you called meziere they would have an application engineer that could help you out.
You would then need to use either an inline thermostat or a digital controller - http://www.hrpworld.com/index.cfm?fo...action=product
The controller would not pose an obstruction to flow, but is costly.
I suppose...A cheaper option would be to use the stock waterpump housing and thermostat. Then remove the guts from a stock water pump and put a pipe plug where the shaft was to use as a coverplate for the gaping hole where the pump once was. Then use an inline eWaterpump. Still need to talk to someone to get the GPMs required.
http://www.meziere.com/ps-1300-1266-wp91.aspx#
Once you have this part you would have many choices of universal eWaterPumps to use, you just need to figure out how much flow you need. I don't have a number for you though, but I bet if you called meziere they would have an application engineer that could help you out.
You would then need to use either an inline thermostat or a digital controller - http://www.hrpworld.com/index.cfm?fo...action=product
The controller would not pose an obstruction to flow, but is costly.
I suppose...A cheaper option would be to use the stock waterpump housing and thermostat. Then remove the guts from a stock water pump and put a pipe plug where the shaft was to use as a coverplate for the gaping hole where the pump once was. Then use an inline eWaterpump. Still need to talk to someone to get the GPMs required.
#12
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http://www.eastcoastparts.com/html/water_pump.html
Just thought I'd ad this. looks like it's only for S4 wp housings, and it's kinda expensive (I've seen $400 i think?), but it's also less plumbing in the engine bay, and less possible points of failure.
#13
What's the point??
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It's highly doubtful. On my VR6, the secondary pump went bad, so I bypassed it with no ill effects. The main reason it is there is for extra flow through the heater core and to circulate coolant after shutdown to evenly cool the head.
#14
FC3S SENPAI
just in case anyone is still interested in this i saw this water pump on the PPRE Red Bull 4rotor FD....http://www.stewartcomponents.net/Mer...Code=ElectPump
#15
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As Mr. Cake noted, VRs (most VW's actually) are prone to running hot - VW has a long tradition of oil-cooled engines, going back to the original Beetle. The 6L sump, high oil temps, and requirement for 10/30 Mobil1 or better say the tradition was alive and well when my VR was made, at least.
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