Moroso Electric Water Pump:Any good?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

boataddict26 · 11-17-2003, 06:27 PM

Has anyone used one and if so what was it like? They claim up to a 20hp gain. Is this true? The are 209.00 and I dont want to spend it unless there is going to be a noticeable difference.
Thanks in advance,
Michael

**swervin ervin** · 11-17-2003, 08:42 PM

Electric water pumps are not meant to be used on the street. I don't know about the hp gain, but drag racers use them to gain every ounce of power they can. No way I would want an electric pump on a street driven vehicle.

boataddict26 · 11-17-2003, 08:54 PM

Swervin, not tryin to be smart but what is your reason for not wanting to use one on the street? I am tryin to learn everything I can on these before I buy one and would like to hear you thoughts.

boataddict26 · 11-17-2003, 08:55 PM

The one I am talking about is not the one that has a motor that drives you stock pump. This is a self contained system that bolts right on in place of the stock one.

**swervin ervin** · 11-17-2003, 10:09 PM

I've never tried to use one. Just what I've read about them. They are not as reliable as a belt/engine driven pump. For drag racing, they are fine. All the cooling gurus for street driven vehicles recommend against them.

My thinking is, the electric motor must run all the time. If daily driven, it would put a lot of wear on it. It sure would be bad if it decided to just stop out in the middle of nowhere. This is not like electric cooling fans, where they just come on when it reaches a certain temp. They run continuously.

boataddict26 · 11-17-2003, 10:20 PM

Thanks for your input. I was thinking I was going to buy one but now I am not so sure. Maybe they sell some sort of thermostat that will turn it on and off? I will look into it.

**swervin ervin** · 11-18-2003, 12:09 AM

A thermostat wouldn't work. It wouldn't take but a couple seconds and the engine would be boiling if the pump was off. Coolant must circulate continuously in order to remove the heat from the engine. This is the whole idea behind high volume pumps, to move the coolant fast through the engine.

Stewart Components has electric pumps. They plainly say, recommended for drag racing applications only when replacing a mechanical pump.

http://www.stewartcomponents.com/htm...waterpumps.asp

phantom dually · 11-18-2003, 12:51 AM

The moroso pump is rated to be used on a street driven vehicle. Though alot of people dont use them. It is not worth losing the realiability of a belt driven pump if you drive it every day. If it is a weekend cruiser go for it!! I am!!

phantom dually · 11-18-2003, 12:55 AM

#1

phantom dually · 11-18-2003, 12:56 AM

2

**swervin ervin** · 11-18-2003, 01:10 AM

Go for it. I'll keep my power robbing mechanical pump.

*1FaastC10* · 11-18-2003, 01:23 AM

hmmmm... yet another way to squeeze a little extra power out of the TA.. i'm eliminating the power steering already, so one less thing driven off the crank should be alot better.

78SilveradoSWB · 11-18-2003, 01:35 AM

One thing, you better have a good and adequate alternator, as an electric pump will undoubtfully draw some amperage during use. A good Stewart hi-flow pump is less than a $100 investment versus a $209 and a 20 hp gain? Does a mechanical waterpump really rob that much hp? It's your nickel, good luck on what direction you take.

*1FaastC10* · 11-18-2003, 01:46 AM

$10.50/1hp isnt that bad of a deal. since even though i wont be running any type of stereo, but i will be running an MSD ignition, i planned an alternator upgrade anyways

CT-Truckster · 11-18-2003, 02:44 AM

what would you do about losing the water pump pulley and still run an alternator and p.s. pump?

*1FaastC10* · 11-18-2003, 04:41 AM

no PS pump to worry about, i'm putting an S10 manual steering box in it. so i'll just have to run a belt to the alt, which will probably get treated to a low mount bracket.

Mike76251 · 11-18-2003, 10:07 AM

For the last 30 years it was not advisible to use one on a street car 'cause they don't last under the heavy loads imposed on the them.
If they have gotten better.........I don't know
I doubt it though.

If reliability doesn't matter stick one on.

PHOENIX · 11-19-2003, 01:21 AM

Most electric water pumps have a lifetime stated in hours (2,000 hours etc.).
Like an LED light bulb, its a lot, but may not be enough.
Before you buy one see if you can find out the life in hours, it may help in your decision. They are supposed to flow much more then belt driven, which helps in keeping the engine cooler.
I wouldnt get one for the street either, unless it was a real hot rod or show car/truck, then it be something to really consider.

phantom dually:
Next time put a shirt on before taking pictures of shiny objects

**N2TRUX** · 11-19-2003, 01:33 AM

If your looking for a "pretty" pump, and don't want to risk an electric pump here's one. Meziere makes a seet looking electric pump, but here is their mechanical version. According to them-
This pump will save a racer over 10HP compared to a stock pump and eliminate most low speed cooling problems for the street rodder.

BaggedC10 · 11-19-2003, 02:04 AM

From what I've heard, electric water pumps have been proven "dead reliable".

r0lf- · 11-19-2003, 01:43 PM

I know a ton of LS1 guys who run them with their electric fans and they are pretty dang reliable. They gain some decent power too. Not 20 horses though, maybe like 8-12 if they are lucky.

11-17-2003, 08:42 PM	#2
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	Electric water pumps are not meant to be used on the street. I don't know about the hp gain, but drag racers use them to gain every ounce of power they can. No way I would want an electric pump on a street driven vehicle. __________________ Mike 1985 Chevy C-10

11-17-2003, 08:54 PM	#3
boataddict26 Registered User Join Date: Mar 2003 Location: North Central Florida Posts: 726	Swervin, not tryin to be smart but what is your reason for not wanting to use one on the street? I am tryin to learn everything I can on these before I buy one and would like to hear you thoughts. __________________ 1978 Chevy C10 Currently under resto. 350 Getting face lift. .060, JEpistons, Modify heads. More will come with money.

11-17-2003, 08:55 PM	#4
boataddict26 Registered User Join Date: Mar 2003 Location: North Central Florida Posts: 726	The one I am talking about is not the one that has a motor that drives you stock pump. This is a self contained system that bolts right on in place of the stock one. __________________ 1978 Chevy C10 Currently under resto. 350 Getting face lift. .060, JEpistons, Modify heads. More will come with money.

11-17-2003, 10:20 PM	#6
boataddict26 Registered User Join Date: Mar 2003 Location: North Central Florida Posts: 726	Thanks for your input. I was thinking I was going to buy one but now I am not so sure. Maybe they sell some sort of thermostat that will turn it on and off? I will look into it. __________________ 1978 Chevy C10 Currently under resto. 350 Getting face lift. .060, JEpistons, Modify heads. More will come with money.

11-18-2003, 12:51 AM	#8
phantom dually Project92 SWB stepside Join Date: Feb 2003 Location: Louisville KY Posts: 4,792	The moroso pump is rated to be used on a street driven vehicle. Though alot of people dont use them. It is not worth losing the realiability of a belt driven pump if you drive it every day. If it is a weekend cruiser go for it!! I am!! __________________ 92 C1500 stepside 496 Stroker Competiton Engineering Ladder bars/QA1 coilovers. Dana 60 rear with 4.10 gear and posi. Bonspeed Palisade 20x12 in rear w/335/30/20 and 20x8.5 front w/245/40/20. 5/8 drop with Belltech springs/DJM spindles/drop shocks. WWS Progress thread http://67-72chevytrucks.com/vboard/s...d.php?t=140448

11-17-2003, 06:27 PM	#1
boataddict26 Registered User Join Date: Mar 2003 Location: North Central Florida Posts: 726	Moroso Electric Water Pump:Any good?? Has anyone used one and if so what was it like? They claim up to a 20hp gain. Is this true? The are 209.00 and I dont want to spend it unless there is going to be a noticeable difference. Thanks in advance, Michael __________________ 1978 Chevy C10 Currently under resto. 350 Getting face lift. .060, JEpistons, Modify heads. More will come with money.

11-17-2003, 10:09 PM	#5
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	I've never tried to use one. Just what I've read about them. They are not as reliable as a belt/engine driven pump. For drag racing, they are fine. All the cooling gurus for street driven vehicles recommend against them. My thinking is, the electric motor must run all the time. If daily driven, it would put a lot of wear on it. It sure would be bad if it decided to just stop out in the middle of nowhere. This is not like electric cooling fans, where they just come on when it reaches a certain temp. They run continuously.

11-18-2003, 12:09 AM	#7
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	A thermostat wouldn't work. It wouldn't take but a couple seconds and the engine would be boiling if the pump was off. Coolant must circulate continuously in order to remove the heat from the engine. This is the whole idea behind high volume pumps, to move the coolant fast through the engine. Stewart Components has electric pumps. They plainly say, recommended for drag racing applications only when replacing a mechanical pump. http://www.stewartcomponents.com/htm...waterpumps.asp

11-18-2003, 12:55 AM	#9
phantom dually Project92 SWB stepside Join Date: Feb 2003 Location: Louisville KY Posts: 4,792	#1 Attached Images __________________ 92 C1500 stepside 496 Stroker Competiton Engineering Ladder bars/QA1 coilovers. Dana 60 rear with 4.10 gear and posi. Bonspeed Palisade 20x12 in rear w/335/30/20 and 20x8.5 front w/245/40/20. 5/8 drop with Belltech springs/DJM spindles/drop shocks. WWS Progress thread http://67-72chevytrucks.com/vboard/s...d.php?t=140448

11-18-2003, 12:56 AM	#10
phantom dually Project92 SWB stepside Join Date: Feb 2003 Location: Louisville KY Posts: 4,792	2 Attached Images __________________ 92 C1500 stepside 496 Stroker Competiton Engineering Ladder bars/QA1 coilovers. Dana 60 rear with 4.10 gear and posi. Bonspeed Palisade 20x12 in rear w/335/30/20 and 20x8.5 front w/245/40/20. 5/8 drop with Belltech springs/DJM spindles/drop shocks. WWS Progress thread http://67-72chevytrucks.com/vboard/s...d.php?t=140448

11-18-2003, 01:10 AM	#11
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	Go for it. I'll keep my power robbing mechanical pump.

11-18-2003, 01:23 AM	#12
1FaastC10 Account Suspended Join Date: Oct 2002 Location: Elkhart, IN Posts: 6,399	hmmmm... yet another way to squeeze a little extra power out of the TA.. i'm eliminating the power steering already, so one less thing driven off the crank should be alot better.

11-18-2003, 01:35 AM	#13
78SilveradoSWB Senior Member Join Date: Apr 2002 Location: Beaverton, OR Posts: 1,615	One thing, you better have a good and adequate alternator, as an electric pump will undoubtfully draw some amperage during use. A good Stewart hi-flow pump is less than a $100 investment versus a $209 and a 20 hp gain? Does a mechanical waterpump really rob that much hp? It's your nickel, good luck on what direction you take. __________________ Mitch 1978 Chevrolet Silverado C 10 454 BB, TH400

11-18-2003, 01:46 AM	#14
1FaastC10 Account Suspended Join Date: Oct 2002 Location: Elkhart, IN Posts: 6,399	$10.50/1hp isnt that bad of a deal. since even though i wont be running any type of stereo, but i will be running an MSD ignition, i planned an alternator upgrade anyways

11-18-2003, 02:44 AM	#15
CT-Truckster ? Join Date: Jul 2002 Location: Dyersburg, TN Posts: 471	what would you do about losing the water pump pulley and still run an alternator and p.s. pump?



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11-18-2003, 04:41 AM	#16
1FaastC10 Account Suspended Join Date: Oct 2002 Location: Elkhart, IN Posts: 6,399	no PS pump to worry about, i'm putting an S10 manual steering box in it. so i'll just have to run a belt to the alt, which will probably get treated to a low mount bracket.

11-18-2003, 10:07 AM	#17
Mike76251 Senior Member Join Date: Mar 2003 Posts: 2,499	For the last 30 years it was not advisible to use one on a street car 'cause they don't last under the heavy loads imposed on the them. If they have gotten better.........I don't know I doubt it though. If reliability doesn't matter stick one on.

11-19-2003, 01:21 AM	#18
PHOENIX Registered User Join Date: Oct 2002 Location: Phoenix, Arizona Posts: 4,703	Most electric water pumps have a lifetime stated in hours (2,000 hours etc.). Like an LED light bulb, its a lot, but may not be enough. Before you buy one see if you can find out the life in hours, it may help in your decision. They are supposed to flow much more then belt driven, which helps in keeping the engine cooler. I wouldnt get one for the street either, unless it was a real hot rod or show car/truck, then it be something to really consider. phantom dually: Next time put a shirt on before taking pictures of shiny objects __________________ * AVOID: LOPER'S PERMORANCE / LOPERSPEED.COM OF PHOENIX, AZ & COTTMAN TRANSMISSION * Last edited by PHOENIX; 11-19-2003 at 01:24 AM.

11-19-2003, 01:33 AM	#19
N2TRUX Happy to be here Join Date: Mar 2000 Location: Cypress, TX Posts: 39,021	If your looking for a "pretty" pump, and don't want to risk an electric pump here's one. Meziere makes a seet looking electric pump, but here is their mechanical version. According to them- This pump will save a racer over 10HP compared to a stock pump and eliminate most low speed cooling problems for the street rodder. __________________ Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra"

11-19-2003, 02:04 AM	#20
BaggedC10 Under construction! Join Date: Aug 2002 Location: NorCal Posts: 1,065	From what I've heard, electric water pumps have been proven "dead reliable". __________________ 2001 Silverado bagged on 22's. Sold

11-19-2003, 01:43 PM	#21
r0lf- Hotwheels? Join Date: Dec 2002 Location: Pleasant Hill, CA Posts: 1,145	I know a ton of LS1 guys who run them with their electric fans and they are pretty dang reliable. They gain some decent power too. Not 20 horses though, maybe like 8-12 if they are lucky. __________________ 1978 Money Pit - CUSTOM DELUXE!!!!

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