electric water pump (worth it?)
Thread Starter
Burning Brakes
Joined: May 2003
Posts: 822
Likes: 1
From: College Station TX
electric water pump (worth it?)
AFTER H/C, ASP pulley, and TPIS LT:
Is the electric water pump worth it on this kind of set up? I'm woundering if it is like the aftermarket T-body and MAFS, you won't gain much.
Is the electric water pump worth it on this kind of set up? I'm woundering if it is like the aftermarket T-body and MAFS, you won't gain much.
Team Owner
Joined: Mar 1999
Posts: 28,753
Likes: 9
From: San Jose/Bear Valley CA
CA Events Coordinator
Re: electric water pump (MAGRED2001VETTE)
If the intent was to gain HP, I would not waste money on this mod. If the intent was to increase the cooling, I would consider it...
VR :cheers:
[Modified by vetterdstr, 8:57 AM 2/6/2004]
VR :cheers:
[Modified by vetterdstr, 8:57 AM 2/6/2004]
Burning Brakes
Joined: Dec 2001
Posts: 1,190
Likes: 0
From: Jonestown, TEXAS
Re: electric water pump (vetterdstr)
If the intent was to gain HP, I would not waste money on this mod. If the intent was to increase the cooling, I would consider it...
VR :cheers:
[Modified by vetterdstr, 8:57 AM 2/6/2004]
VR :cheers:
[Modified by vetterdstr, 8:57 AM 2/6/2004]
Safety Car
Joined: Oct 2000
Posts: 4,949
Likes: 10
From: Monticello MN
Re: electric water pump (dahoof)
If the intent was to gain HP, I would not waste money on this mod. If the intent was to increase the cooling, I would consider it...
[Modified by vetterdstr, 8:57 AM 2/6/2004]
:iagree:
[Modified by vetterdstr, 8:57 AM 2/6/2004]
:iagree:
Ed
[Modified by C5XTASY, 2:45 PM 2/6/2004]
Team Owner
Joined: Mar 2001
Posts: 25,889
Likes: 7
From: Virginia Beach
CI 3-5-6-7-8 Veteran
Re: electric water pump (C5XTASY)
I don't have one, but it works on the same prinicpal as the ud pulley; less parasitic loss. You don't gain any power from the motor, but you use less of what you have to turn the accessories. I'm pretty sure they're worth 5-7 rwhp now that the motor doesn't have to turn the water pump.
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Racer
Joined: Mar 2003
Posts: 279
Likes: 18
From: TX
Re: electric water pump (MAGRED2001VETTE)
heres a good writup on it. looks like 6rwhp
http://www.ls1howto.com/index.php?article=27
[Modified by vetteman21, 1:52 AM 2/7/2004]
http://www.ls1howto.com/index.php?article=27
[Modified by vetteman21, 1:52 AM 2/7/2004]
Melting Slicks
Joined: Dec 2003
Posts: 3,315
Likes: 17
From: Near Jacksonville Fl.
Re: electric water pump (C5XTASY)
If the intent was to gain HP, I would not waste money on this mod. If the intent was to increase the cooling, I would consider it...
[Modified by vetterdstr, 8:57 AM 2/6/2004]
:iagree:
One thing I have never understood about this mod, as far as gaining power by going to an electrical rather than mechanical water pump, is the fact you still must create the power to run the pump. That power is not created by the alternator at 100% efficiency, nor used by the water pump's electric motor at 100% eficiency. There are significant losses associated both with producing, and utilizing, that power. I can't speak for the increase in cooling, I just question the supposed power gain. Maybe there's something I'm not aware of in the design or use of these pumps. Doesn't make any sense to me. :confused:
Ed
[Modified by C5XTASY, 2:45 PM 2/6/2004]
[Modified by vetterdstr, 8:57 AM 2/6/2004]
:iagree:
One thing I have never understood about this mod, as far as gaining power by going to an electrical rather than mechanical water pump, is the fact you still must create the power to run the pump. That power is not created by the alternator at 100% efficiency, nor used by the water pump's electric motor at 100% eficiency. There are significant losses associated both with producing, and utilizing, that power. I can't speak for the increase in cooling, I just question the supposed power gain. Maybe there's something I'm not aware of in the design or use of these pumps. Doesn't make any sense to me. :confused:
Ed
[Modified by C5XTASY, 2:45 PM 2/6/2004]
There is no free lunch...... :sad:
Advanced
Joined: Oct 2002
Posts: 50
Likes: 0
From: Plano Texas
Re: electric water pump (MAGRED2001VETTE)
I wanted to test the Meziere EWP out back-to-back to see if there were any hp gains, so I went to MMT in Dallas on Saturday and dynoed with the stock water pump and then the Meziere.
I gained 0 hp and -1 torque going to the Meziere!
Here's the stock water pump dyno graph.
http://www.cobraeater.cz28.com/cgi-b...ump%20Dyno.jpg
And here's the Meziere dyno.
http://www.cobraeater.cz28.com/cgi-b...EWP%20Dyno.jpg
Here's a graph with the best runs from the stock water pump and the Meziere.
http://www.cobraeater.cz28.com/cgi-b...re%20After.jpg
As you can see there was no hp to be gained, but the cooling and looks are something most people would go for.
With the stock pullies instead of the ASP pullies I might have seen some small gains, but I would consider the ASP to be the better buy.
I gained 0 hp and -1 torque going to the Meziere!
Here's the stock water pump dyno graph.
http://www.cobraeater.cz28.com/cgi-b...ump%20Dyno.jpg
And here's the Meziere dyno.
http://www.cobraeater.cz28.com/cgi-b...EWP%20Dyno.jpg
Here's a graph with the best runs from the stock water pump and the Meziere.
http://www.cobraeater.cz28.com/cgi-b...re%20After.jpg
As you can see there was no hp to be gained, but the cooling and looks are something most people would go for.
With the stock pullies instead of the ASP pullies I might have seen some small gains, but I would consider the ASP to be the better buy.
Le Mans Master
Joined: Apr 2002
Posts: 7,281
Likes: 5
From: Boston
Re: electric water pump (Cobraeater)
Damn, those differences are too small to tell if there's an increase on it. The difference between same setups on different runs is bigger some times. :crazy:
Safety Car
Joined: Oct 2000
Posts: 4,949
Likes: 10
From: Monticello MN
Re: electric water pump (Cobraeater)
I wanted to test the Meziere EWP out back-to-back to see if there were any hp gains, so I went to MMT in Dallas on Saturday and dynoed with the stock water pump and then the Meziere.
I gained 0 hp and -1 torque going to the Meziere!
Here's the stock water pump dyno graph.
http://www.cobraeater.cz28.com/cgi-b...ump%20Dyno.jpg
And here's the Meziere dyno.
http://www.cobraeater.cz28.com/cgi-b...EWP%20Dyno.jpg
Here's a graph with the best runs from the stock water pump and the Meziere.
http://www.cobraeater.cz28.com/cgi-b...re%20After.jpg
As you can see there was no hp to be gained, but the cooling and looks are something most people would go for.
I gained 0 hp and -1 torque going to the Meziere!
Here's the stock water pump dyno graph.
http://www.cobraeater.cz28.com/cgi-b...ump%20Dyno.jpg
And here's the Meziere dyno.
http://www.cobraeater.cz28.com/cgi-b...EWP%20Dyno.jpg
Here's a graph with the best runs from the stock water pump and the Meziere.
http://www.cobraeater.cz28.com/cgi-b...re%20After.jpg
As you can see there was no hp to be gained, but the cooling and looks are something most people would go for.
