Does anyone know what the GPM rating on your average intercooler/heat exchanger water pump is? KB, FRPP, Stock GT500, Whipple, etc?
The booboo to my car took out my water pump and heat exchanger. I’m thinking of going with one of the billet Meziere water pumps, having a real big heat exchanger made, mounting the water tank in the trunk and running braided line and AN fittings for the entire setup.
There is no point in going with AN fittings when using the “standard” water pumps because the system will only be as good as its weakest point which will be at the pump/hose/band clamp. The thing is without knowing what kind of GPM the average pump runs it’s hard to make a smart buying decision. If I get one too small it will not cool enough and ironically if I get one too big it will not cool enough because of possible cavitation and/or moving the water through the coolers too fast and not getting the heat exchanged.
Anyone ever look into this?
Thanks
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Oh yeah, one more thing. Anyone ever head one of these? Are they loud? How loud compared to the FFRP, Bosch, etc?
Have you ever run a Holly Blue or Red fuel pump? Great pump, great price but they are so loud you don't want to drive the car. I can't get one if they are going to be loud. I like my car quiet.
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I just saw your thread and took a quick look at my Bosch that came with the Whipple. The only numbers I saw looked like ppa-gf-33 k. I couldn't get my fat head under the nose very well and I wasn't about to jack up the car. I am old and getting sleepy so knock yourself out tonight.
A poor choice in pump can greatly reduce the performance of any intercooler system. What people don't know, is that there are many features of a pump that control its performance. Furthermore a pump that works well in one system may not be good for another. ZZPerformance has tested pumps from Rule, Flojet, Centri-puppy, Jabsco, Shurflo, Central machinery, GM, JC whitney, Johnson, Attwood and others. We know what works, what doesn’t and why.
12 volt intercooler pumps can be divided into two categories: Positive displacement pumps and centrifugal pumps.
Flojet and Central machinery are the most popular positive displacement pumps in our market. A positive displacement pump has the advantages of self priming, good durability, and high flow in a restrictive system. The disadvantage of these pumps is their heavy weight, typically high current draw, high noise levels, and low GPM ratings. They should be used only in systems where the fittings, IC core or lines are small. Many people make the mistake of believing that the lines an intercooler ships with determine the flow capability of the system. This is rarely the case. In systems like the Thrasher the fittings into the core approach 3/8 of an inch at some points. With the transmission coolers the intense kit uses for the front cooling, you find the same problem. In systems like these a positive displacement pump is usually your best choice. While they may be rated a little lower in flow than centrifugal pumps, the actual performance will be higher in a restricted system.
Centrifugal pumps like the Rule and GM pumps have very high flow ratings. This is an inherent advantage of this style of pump. They also draw very low current and boast extremely low weight. These pumps are ideal for any intercooler system where you have no restrictions. The downside of a centrifugal pump is that it doesn’t self prime and won’t flow well into a head. The priming problem is cured with our IC fill kit and the restriction issues can be solved by using a properly designed intercooler system. Another advantage of the Rule pump (asside from cost) is that it works with the IC pump controller. Since this controller improves the performance of any intercooler system, it’s a good idea to buy a pump that will work with it.
Current draw of a pump is important. The more current a pump draws, the more power it’s robbing off of the alternator and ultimately your engine. This current is turned into heat which is transmitted into the coolant and adds extra load on your front mount radiator. Since the entire point of an intercooler is to get rid of heat, you can see why low current draw is ideal.
The flow of a pump is very important. Assuming you can cool the liquid down with a good front radiator; the higher the flow, the better your system will perform. We tested this using city water on our supercharger dyno. Flow ratings all the way to our max of 12 GPM produced higher temp drops after the core. The conclusion is this: In an ideal intercooler system, you want the most cooling you can fit up front paired with the highest flowing pump you can find.
2-13-09 update: We have tested the Bosch intercooler pumps used in the GM supercharged 2.0 liter and it performs well. Better than any pump we have ever tested all things considered. Free flow it topped 8GPM with 13.1 volts and pegged our 12GPM gauge at 16 volts. Even restricted by a smaller IC core, it managed almost 5 GPM at 13.5 volts!
It weighs 2.2 pounds, has 3/4" fittings and draws ~2.7amps at 13.5 volts. Depending on voltage and load it drew 1.8 amps at low and 3.5 amps max. It works with our intercooler pump controller as well.
Might be a different brand but good info. And they mention bosch pump being good.
Also I was crusin brenspeed and they have a pretty large w2a exchanger in the vortech section.. To bad they dont give any sort of ratings. http://www.brenspeed.com/555-3706.html
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Might be a different brand but good info. And they mention bosch pump being good.
Also I was crusin brenspeed and they have a pretty large w2a exchanger in the vortech section.. To bad they dont give any sort of ratings. Mustang GT Heat Exchanger Upgrade (05-10)
Good info.
I don't know what I am going to do now. I guess I'll have to start with whatever I use for a heat exchanger. I'm going to call Afco and BeCool Moday to see how big I can get into a heat exchanger. I have tons of room up front with no bumper, etc. I had a 03-04 Cobra Afco dual pass in there and still hand enough room to put another in without blocking any flow through the upper grill.
I'm guessing that the very tightly packet intercoolers in the intake would be considered on the restrictive side. They are very, very tight and the inlet/outlets are not very big. I'm guessig that getting a pump that works with a restrictive system would be a good idea.
Maybe I will just keep it simple, throw a new Bosch pump at it and retain the rubber hoses and hose clamps. And a huge heat exchanger of course. I think I was getting carried away a bit there.
Thanks for your help everyone. Except for you back@itagain
__________________
Under Construction. Better, Stronger, Faster than it was before.
I don't know what I am going to do now. I guess I'll have to start with whatever I use for a heat exchanger. I'm going to call Afco and BeCool Moday to see how big I can get into a heat exchanger. I have tons of room up front with no bumper, etc. I had a 03-04 Cobra Afco dual pass in there and still hand enough room to put another in without blocking any flow through the upper grill.
I'm guessing that the very tightly packet intercoolers in the intake would be considered on the restrictive side. They are very, very tight and the inlet/outlets are not very big. I'm guessig that getting a pump that works with a restrictive system would be a good idea.
Maybe I will just keep it simple, throw a new Bosch pump at it and retain the rubber hoses and hose clamps. And a huge heat exchanger of course. I think I was getting carried away a bit there.
Thanks for your help everyone. Except for you back@itagain
I managed to stuff a 3 1/2" heat exchanger behind the bumper.
Have you ever run a Holly Blue or Red fuel pump? Great pump, great price but they are so loud you don't want to drive the car. I can't get one if they are going to be loud. I like my car quiet.
Holley red & blue pumps are loud if they are mounted solid to the body/frame structure. I run them on my buggies where the noise doesn't matter. I ran a red one in my Demon that I used a piece of bias ply tire sidewall between it & the framerail & it was pretty quiet.
Supercharger Water Pump GPM Ratings???? 
Except for you back@itagain
