Water pump

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Water pump

Unread postby streetstallion » Sat Jun 25, 2016 10:18 pm

I'm looking for a new water pump but, I'm tossed between a high volume or standard pump. I have a 351w with a 3 core aluminum radiator. I've heard stories about high volume pumps sucking in hoses and cooling too much. Any advice would be appreciated. (My mods are listed).
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Re: Water pump

Unread postby decipha » Sun Jun 26, 2016 5:13 am

Ive never heard nor experieced this, do you have any links to those whom had issues? Id like to read up on it
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Re: Water pump

Unread postby streetstallion » Sun Jun 26, 2016 10:10 pm

Well, funny how I've read dozens of articles on that subject before but, now I can't find anything.

But you can type in high flow water pumps vs standard flow pumps on mustangs and you will see different opinions.
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Re: Water pump

Unread postby red5.0fogger » Fri Jul 15, 2016 10:40 am

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Re: Water pump

Unread postby NxCoupe » Mon Aug 15, 2016 10:49 am

Hi flow pumps are a waste of money IMHO. I run a stock Oreilly rebuild on my race engines and they stay cool. Problem with a high volume pump is similar to running a high volume oil pump, increased parasitic drag and emptying the oil pan on the oil pump example. Compare that to moving the coolant too quickly through the block not allowing the coolant to do it's job and absorb as much heat as it can. It also can suck hoses shut under the right conditions, but that's not really the drawback so much as parasitic drag and loss of efficiency. Some guys just want to buy aftermarket everything for their engine, so the aftermarket responded by creating a need and then filling it. Only example I can think where it could be used would be in a severely underdriven pulley setup where the waterpump can't keep up with demand due to slower rotational speeds.
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Re: Water pump

Unread postby StangD » Mon Aug 15, 2016 6:01 pm

I've never had a need for a special waterpump. Enough radiator and a good fan was always sufficient. What I consider inadequate grill opening area on most cars built in the last 30 years doesn''t help us when we are trying to make double stock power or much more. I would be surprised if a HV pump accomplishes much more than stealing your HP.
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