Electric Water pump and controller
#1
10K+ Poster!!
Thread Starter
Electric Water pump and controller
Hi all,
I was looking at these electric water pumps and controllers and wondered what everyones thoughts are.
I like the idea that you can set it to run after you turn the car off to prevent hot spots in the engine.
You set the target temp that you want the car to run at and it varies the speed of the pump to hit the target and warm / cool the engine. It also kicks the fan in too. They have alarms etc that you can program.
The other benefit is that I could delete the water pump pulley etc to give more room in the engine bay. At the moment I only have an ally 205 Rad to cool the YB and as my car is quite high power it might need extra cooling at some point. At the moment I am not struggling with temp so space would be more important to me. I have cured the pressure problem with the new header and relief cap along with a swirl pot.
http://www.demon-tweeks.co.uk/motors...roller-combo-2
I was looking at these electric water pumps and controllers and wondered what everyones thoughts are.
I like the idea that you can set it to run after you turn the car off to prevent hot spots in the engine.
You set the target temp that you want the car to run at and it varies the speed of the pump to hit the target and warm / cool the engine. It also kicks the fan in too. They have alarms etc that you can program.
The other benefit is that I could delete the water pump pulley etc to give more room in the engine bay. At the moment I only have an ally 205 Rad to cool the YB and as my car is quite high power it might need extra cooling at some point. At the moment I am not struggling with temp so space would be more important to me. I have cured the pressure problem with the new header and relief cap along with a swirl pot.
http://www.demon-tweeks.co.uk/motors...roller-combo-2
#3
I used one once....never again.
Mechanical pumps work, they're often free already fitted to an engine. They're reliable. They do pretty much everything you need a water pump to do, and they do it well.
What's that about not fixing things etc ?
Mechanical pumps work, they're often free already fitted to an engine. They're reliable. They do pretty much everything you need a water pump to do, and they do it well.
What's that about not fixing things etc ?
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#8
PassionFord Regular
BMW use electric water pumps on their 35i engines.
I am looking at using one possibly in conjunction with the mechanical pump.
All the usual suspects though do not flow enough at a decent head. For instance you show a Davies Craig 1bar and it doesn't flow anything.
The BMW pump is a Pierburg cwa 400 and needs a CAN controller otherwise it runs at 95% permanently. It needs 30amps to run! The controller you can use is here
I am looking at using one possibly in conjunction with the mechanical pump.
All the usual suspects though do not flow enough at a decent head. For instance you show a Davies Craig 1bar and it doesn't flow anything.
The BMW pump is a Pierburg cwa 400 and needs a CAN controller otherwise it runs at 95% permanently. It needs 30amps to run! The controller you can use is here
#9
PassionFord Regular
http://www.tecomotive.com/en/tinycwa-en
I am only looking at this because I have a rear mounted rad that is quite raised.
In your set up I really don't think it's necessary.
I will be installing from radiator bottom hose to engine.
I am only looking at this because I have a rear mounted rad that is quite raised.
In your set up I really don't think it's necessary.
I will be installing from radiator bottom hose to engine.
#10
PassionFord Regular
The cwa 400 will flow 150ltrs per MINUTE, most others are rated at litres per hour. It will flow this at upto 0.8bar.
I found a lot of info here
http://mbworld.org/forums/w211-amg/411058-intercooler-pump-you-didn-t-know-about-4.html
The cwa50 and 100 are the intercooler pumps.
I found a lot of info here
http://mbworld.org/forums/w211-amg/411058-intercooler-pump-you-didn-t-know-about-4.html
The cwa50 and 100 are the intercooler pumps.
#11
10K+ Poster!!
Thread Starter
Thanks all, will give that a swerve then, it was just to save space as my pulleys are about 10mm from my fan housing
#12
Stewart Components make far better pumps than anything DC have.
I've even seen Prodrive use them on some LeMans engines.
But for 99.9% of users when the mechanical pump works....it's just daft to change.
I've even seen Prodrive use them on some LeMans engines.
But for 99.9% of users when the mechanical pump works....it's just daft to change.
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