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Electric Water Pumps..

 
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super72nova
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Joined: 13 Jun 2006
Posts: 23
Location: Naples, fl
1006.74 points


1972 Chevrolet Nova

PostPosted: Wed Jul 12, 2006 7:02 pm    Post subject: Electric Water Pumps.. Reply with quote

Im planing on swaping my stock style water pump for an aftermarket electric one but i cant find one with a heater hose outlet. dose anyone know who makes one for my 350 ? If anyone dose and has one what size belt do i need for my alternator after the swap? thanks Y'all .....

luv,
bam


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af2
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Joined: 01 Sep 2003
Posts: 5558
Location: grassvalley, ca
71227.76 points


1933 Willys Coupe

PostPosted: Wed Jul 12, 2006 7:26 pm    Post subject: Re: Electric Water Pumps.. Reply with quote

super72nova wrote:
Im planing on swaping my stock style water pump for an aftermarket electric one but i cant find one with a heater hose outlet. dose anyone know who makes one for my 350 ? If anyone dose and has one what size belt do i need for my alternator after the swap? thanks Y'all .....

luv,
bam




On a street car nope! Old school I am.
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thesoundandthefury
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Joined: 04 Jun 2006
Posts: 16

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PostPosted: Wed Jul 12, 2006 10:22 pm    Post subject: Reply with quote

Your best bet would be to set it up with a remote thermostat housing that has additional hose feeds to use for the heater hoses. Something like this:


http://www.jegs.com/webapp/wcs/stores/servlet/CategoryDisplay?lang=-1&catalogId=10002&storeId=10001&categoryId=30115&searchItemId=234233&CT=999
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clay
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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Thu Jul 13, 2006 4:46 am    Post subject: Reply with quote

Quote:
On a street car nope! Old school I am.

I second that. A mechanical might start leaking but it will almost never fail and leave you beside the road. Clay
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96capriceMGR
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Joined: 23 Aug 2003
Posts: 814
Location: New London Wisconsin
20327.88 points


1996 Chevrolet Caprice

PostPosted: Thu Jul 13, 2006 5:48 am    Post subject: Reply with quote

A lot of the LT1 guys go this route because we just pop the front cover off the pump and slide a motor/impeller into the stock housing. Took the average ignorant people a long time to understand that the electric flows more at idle but LESS at higher rpms that is how they free up power by doing less work.
As clay aluded too might want to buy two because electrics are instant total failure rather than a drip like a mechanical will usually do. A failing mechanical is easy to get a new one and will likely get you home anyway, the electric is harder to get and moving the car could do signifigant damage fast.
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Big Dave
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Joined: 04 Dec 2005
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Location: Tampa Florida
119973.02 points



PostPosted: Thu Jul 13, 2006 8:51 am    Post subject: Reply with quote

Another option would be to drill and tap a 1/2" NPT hole for a hose barb in one side of the electric water pumps casting were it feeds water to the block for a supply line. Your intake manifold should already be drilled and tapped for a return line next to the thermostat housing.

Most electric water pumps don't need one because few racers run a heater core or A/C in their race cars.

Big Dave
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super72nova
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Joined: 13 Jun 2006
Posts: 23
Location: Naples, fl
1006.74 points


1972 Chevrolet Nova

PostPosted: Thu Jul 13, 2006 7:52 pm    Post subject: i see a trend.. Reply with quote

ok its obvious most of you don't like the idea of an electric pump. here's the deal. im installing dual electric fans soon and ditching the stock fan and my fancy chrome shroud. i live in south Florida and rarely drive in less than 75 deg. weather the car has never over heated but it dose get hotter than preferable while idling in traffic so id really like and electric pump (i cant lie they look rad too).... so is it a really bad idea or am i just gona hope it doesn't fail and go on my way? the way i see it worst case scenario it fails and i have to buy a new one.
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Big Dave
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PostPosted: Thu Jul 13, 2006 8:11 pm    Post subject: Reply with quote

I live in central Florida and it gets almost as hot here as well (it's ok it's a Wet Heat, unlike the killer dry stuff they have in the desert south west). I threw a belt on the interstate and the only reason I knew it was gone was because my volts started dropping. That was because I had a mechanical fan which turned my mechanical pump for the fifteen miles home. Coasted down the off ramp into a convince store and installed my replacement belt (keep three in the trunk because believe it or not I occasionally tac this bad boy up enough to toss a belt at around 6,800 RPM).

Why even bring this up? Because if it happened with your electric, it may look cool, but your engine won't be. The only time you notice a failure is when the coolant starts to boil. Replacing the pump isn't quite as easy as swapping on a new belt.


Big Dave
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super72nova
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Joined: 13 Jun 2006
Posts: 23
Location: Naples, fl
1006.74 points


1972 Chevrolet Nova

PostPosted: Fri Jul 14, 2006 9:07 pm    Post subject: ok have it your way ! Reply with quote

DAM there trick but yall are right im just askin for trouble. i thought it was a neat idea i had never seen one at the shows and with some more thought into it i realize why, thanks for the input. Burn Out
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super72nova
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Joined: 13 Jun 2006
Posts: 23
Location: Naples, fl
1006.74 points


1972 Chevrolet Nova

PostPosted: Fri Jul 14, 2006 9:11 pm    Post subject: next Question! Reply with quote

as for a mechanical pump witch one would you sugest (hopefuly something shiney) that would out proform my stock shortneck??
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Big Dave
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Location: Tampa Florida
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PostPosted: Fri Jul 14, 2006 9:56 pm    Post subject: Reply with quote

I think Stewart (or Stuart I can't remember now) makes four great series of pumps used by just about every roundy pounder who has ever raced (which is a testimonial not to be ignored, even though I have little use for stock car racing). The level two should work fine on the street. My second choice would be the Edelbrock which is available in polished aluminum.

Big Dave
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Horsepwraddict
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Joined: 30 Jul 2006
Posts: 2
Location: Princeton MA
157.16 points



PostPosted: Sun Jul 30, 2006 10:37 am    Post subject: Reply with quote

i know alot of people who run CSR ellectric water pumps on street cars and never have problems. with electric fans and pump it free's up a decent amount of power and cools just fine. i dont see it being a problem in your climate...and i agree..they look cool
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cutlass389
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Joined: 29 Apr 2006
Posts: 268
Location: NC
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1978 Oldsmobile Cutlass

PostPosted: Sun Jul 30, 2006 2:58 pm    Post subject: shroud Reply with quote

I've lived in both dry and wet heat and I can tell you from experience that a car doesn't care in the least which is which. Your best defense is a complete and functional shroud. Do not under any circumstances run without one on the street.
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Hot_Rod_Mike
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Joined: 27 Nov 2005
Posts: 43
Location: Lawtey, Fl
1580.82 points


1972 Chevrolet Nova

PostPosted: Thu Aug 03, 2006 8:59 am    Post subject: Reply with quote

Hey, I've tried the electric pump and electric fans route. I could never keep the car cool enough during hot summer days here in Orange Park,FL.
I went back to the mechanical pump (high volume) and flex fan. I also had the belt throwing problem at about 6000. I stepped up and bought a "March Products" serpentine belt conversion from Summit and that took care of the belt problem.

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jeep_406
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Joined: 12 Sep 2002
Posts: 1661
Location: Tewksbury, Mass 01876
53123.48 points


1972 Chevrolet Nova

PostPosted: Thu Aug 03, 2006 9:40 am    Post subject: Reply with quote

I run a Stewart pump on my 406. I've run them for years and never had a problem. Good people to deal with.

Nice looking engine compartment Exclamation Exclamation
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