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Old 06-27-2012, 08:30 AM   #1
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Intercooler Pump Upgrade!!

After a lot of testing finding the limits of the supercharger cooling system and addressing the reservoir, or lack of as well as the heat exchanger we knew the small 4GPM pump was going to be a restriction on anything making additional heat/boost or doing any kind of racing.

The stock intercooler pump on the ZL1 only flows 4gpm and that is rated without any hoses, fittings, lines to the core etc that can slow down the flow or any restrictions in the intercooler system impeding flow. Although that may be enough for a stock ZL1 we believe that it's not going to be enough to provide adequate cooling in higher hp applications. We're also not the only ones that believe this. As mentioned above, for the 2010 Super Cobra Jet Ford ditched the stock pump for a higher flowing 55gpm pump. Since the Super Cobra Jet has already been 8's and that size pump worked for them it's safe to say that if we were to upgrade our system the 55gpm would be the one to go with. Again, many assume that 55GPM may be too much but this rating does not take into consideration the 3/4 or 5/8 hose ends going on the end of the pump or the other restrictions inline that drastically slow down flow to nearly 20GPM.

The pump is a direct bolt-on install and uses the factory OEM mounting hardware/location. There is some small wiring involved but nothing most cannot take care of on their own.
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Old 06-27-2012, 08:55 AM   #2
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Interesting.
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Old 06-27-2012, 09:04 AM   #3
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We have seen 15+ degree drops in temperatures without much rise at all. This is MASSIVE improvement. The factory 4GPM is simply not enough. With the restrictions and hose reductions this is about a 20GPM gain in flow.
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Old 06-27-2012, 09:07 AM   #4
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PM Price please.
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Old 06-27-2012, 09:37 AM   #5
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Interesting... I remember reading it's IC pump is the Volt's coolant pump, but bumped from around 50-some-odd-watts to something like 80-some-watts for ZL1. Flow is what I'm more concerned with, and it's looking like this is definately a winner.

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Old 06-27-2012, 09:40 AM   #6
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Can you also PM me the price as well? Thanks!
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Old 06-27-2012, 10:06 AM   #7
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You're going from a 4gpm to a 55gpm? that's a hellofa jump.
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Old 06-27-2012, 10:43 AM   #8
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What about putting a thermostatically controlled electric fan in front of the heat exchanger ?
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Old 06-27-2012, 10:59 AM   #9
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Quote:
Originally Posted by Silverguardrail View Post
What about putting a thermostatically controlled electric fan in front of the heat exchanger ?
We have a dual pass heat exchanger with fans already out for these cars.
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Old 06-27-2012, 10:59 AM   #10
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Quote:
Originally Posted by HDRDTD View Post
You're going from a 4gpm to a 55gpm? that's a hellofa jump.
55GPM is the free flow rate but with all of the line restrictions and system restrictions it becomes more like 20 or so.
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Old 06-27-2012, 11:07 AM   #11
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The kit comes with 2 fittings for the pump and necessary wiring and relays. Not only does this MOUNT in the stock location without modification it uses the factory PCM control for on/off.
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Old 06-27-2012, 11:08 AM   #12
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We have a dual pass heat exchanger with fans already out for these cars.
Yes I know... I should have said have you put your dual fan on the stock heat exchanger and stock pump ?
What was the results ?
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Old 06-27-2012, 11:20 AM   #13
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Our fan kit will not bolt up to the stock heat exchanger. Our dual pass units have a mounting frame built into them to allow for the fan kit to bolt up.

We know the factory heat exchanger does not even do a good enough job on a stock car so we replace them on almost every build we do, but make them a requirement once a pulley is added.
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Old 06-27-2012, 11:23 AM   #14
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Good job doing the work and packaging this for the Camaro ZL1.

Do you have a pump performance curve for the 55 gpm pump and a system resistance curve for the ZL1?

You have it plugging into the IC pump harness, so it pulls few enough amps to work there?

Have you tested the actual flow through the system with this pump?

I have been doing some intercooler pump flow tests on my STS-V so I am interested in how this pump might do in the similar Cadillac setup.
Intercooler pump test 4: Jabsco 29 gpm pump
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Old 06-27-2012, 11:29 AM   #15
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Quote:
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Good job doing the work and packaging this for the Camaro ZL1.

Do you have a pump performance curve for the 55 gpm pump and a system resistance curve for the ZL1?

You have it plugging into the IC pump harness, so it pulls few enough amps to work there?

Have you tested the actual flow through the system with this pump?

I have been doing some intercooler pump flow tests on my STS-V so I am interested in how this pump might do in the similar Cadillac setup.
Intercooler pump test 4: Jabsco 29 gpm pump
We have been using the vehicle as our test and 'flow bench' as it is impossible to simulate all of the restrictions from the factory system, using thermocouples where necessary to determine what the cooling system drawbacks have been.

We have been working hard with Meziere on selecting the right pump as well as watching the OEM's like Ford Racing & Chevrolet Performance who have the ability to test and engineer things we cannot.

We know this a a 55GPM pump and estimates are that it only really flows 20+ give or take when in the factory system

Very impresses with the write-up you put together!
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Old 06-27-2012, 02:26 PM   #16
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Again, thanks to you guys for bringing a product with brackets, fittings, and wiring figured out. That should save buyers a ton of time and store trips.

Assuming the 55 gpm pump has a higher shutoff pressure then the lower flow pumps, but a similar pump curve, it should flow better and result in lower IAT2s. It would be fun to measure one of these in place and see the actual gpm, but the proof of the benefit will be seeing lower IAT2s and faster recovery.
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Old 06-27-2012, 03:05 PM   #17
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Quote:
Originally Posted by bwnunnally View Post
Again, thanks to you guys for bringing a product with brackets, fittings, and wiring figured out. That should save buyers a ton of time and store trips.

Assuming the 55 gpm pump has a higher shutoff pressure then the lower flow pumps, but a similar pump curve, it should flow better and result in lower IAT2s. It would be fun to measure one of these in place and see the actual gpm, but the proof of the benefit will be seeing lower IAT2s and faster recovery.
As time permits we can do more extensive testing like you mentioned but we knew it would work from a lot of the OEM testing we have found and with Meziere's data. On the car it lower's IAT's BIG TIME> I will be posting a graph shortly
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Old 07-01-2012, 09:34 PM   #18
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I wonder if the ZL1's A/C could have a switch operated redirect to the intercooler via Homelink for a little additional "chill" factor. More innovative inventions from "stymie enterprises, a division of confuse-a-cat industries"...

Oh, the heck with the "fabled" Phase II kit; I think I'd swap out my LSA for a ZR1 Corvette LS9 engine.
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Old 07-09-2012, 10:21 PM   #19
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PM me with the price please.
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Old 07-10-2012, 06:59 AM   #20
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PM me with the price please.
Me too please !!!!
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Old 07-11-2012, 11:56 PM   #21
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How does this compare to the pump that comes with the Maggie's?

Please PM price...
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Old 07-12-2012, 07:52 AM   #22
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The pump that comes with the Maggy and all other SS blower kits is 5GPM versus this which is 55GPM and works GREAT for those applications. The install and mounting is slightly different though
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Old 07-12-2012, 10:03 PM   #23
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Price?
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Old 07-13-2012, 04:33 AM   #24
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Does it need a tune?
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Old 07-13-2012, 05:32 AM   #25
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The larger flowing pump doesn't create any problems without adding coolant capacity?
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