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Old 05-22-2012, 10:37 PM   #1
KD Innovations
 
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The ZL1 HX is ready

This will be installed in the car next week:

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Old 05-22-2012, 10:40 PM   #2
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I need 2
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Old 05-22-2012, 10:47 PM   #3
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why did you post an image with this much resolution? It's taking FOREVER to load. I was able to write and post this before it finished loading.
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Old 05-22-2012, 11:59 PM   #4
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guess the image size limitations aren't working. 4MB jpg is crazy huge to be uploading, I thought the limit was around 800KB
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Old 05-23-2012, 12:14 AM   #5
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Quote:
Originally Posted by stieger View Post
why did you post an image with this much resolution? It's taking FOREVER to load. I was able to write and post this before it finished loading.
Sorry you have dial up
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Old 05-23-2012, 12:21 AM   #6
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I have cable and it took long to load but i love that heat exchanger. Looks awesome
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Old 05-23-2012, 01:30 AM   #7
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why did you post an image with this much resolution? It's taking FOREVER to load. I was able to write and post this before it finished loading.
Amen lol
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Old 05-23-2012, 07:18 AM   #8
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how muchie?
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Old 05-23-2012, 09:08 AM   #9
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I cant even load the pic.
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Old 05-23-2012, 09:11 AM   #10
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Here it is smaller. For faster loading
Attached Images
 
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Old 05-23-2012, 09:51 AM   #11
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Lookin good guys. I'm ready for one!
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Old 05-23-2012, 09:59 AM   #12
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What, if anything, will receive less air after the HX in installed?
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Old 05-24-2012, 08:38 AM   #13
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Here it is smaller. For faster loading

Thanks mmarx. I will drop the resolution on the original later today.
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Old 05-24-2012, 04:25 PM   #14
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just set your camera, to take normal size pictures.
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Old 05-30-2012, 01:05 PM   #15
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What, if anything, will receive less air after the HX in installed?
On the ZL1, the HX is in front of the A/C condenser and radiator. Quite a sandwich up front there! I'm guessing the amount of air shouldn't be reduced to those as much as the temp of air they receive may increase slightly due the increased efficiency of the new HX. But I don't have actual data.

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Old 05-31-2012, 10:15 AM   #16
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Old 06-01-2012, 04:50 PM   #17
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It fits perfectly and works well. We are running production now.

Additional (smaller) pictures coming.
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Old 06-02-2012, 03:56 PM   #18
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Originally Posted by 1st Gen Forever View Post
On the ZL1, the HX is in front of the A/C condenser and radiator. Quite a sandwich up front there! I'm guessing the amount of air shouldn't be reduced to those as much as the temp of air they receive may increase slightly due the increased efficiency of the new HX. But I don't have actual data.

I know I'm ready for this upgrade!
So thats a "you don't know".

If its actually a larger unit over stock theres going to be a reduction and depending on how the shrouding is set up coudl see a decent spike in actual engine coolant temp due to this. Had the same problems with GTOs and G8s with the larger intercoolers on F/I cars, nobody bothered to actually check it before.
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Old 06-03-2012, 11:13 AM   #19
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So thats a "you don't know".

If its actually a larger unit over stock theres going to be a reduction and depending on how the shrouding is set up coudl see a decent spike in actual engine coolant temp due to this. Had the same problems with GTOs and G8s with the larger intercoolers on F/I cars, nobody bothered to actually check it before.
I think we'll have the data in time. I know I'm logging a lot of "before" data on my car. IAT2s are all I haven't been able to log yet as I haven't decided the best way to monitor without cutting up my interior for a gauge.

One point on comparing G8s and GTOs to the ZL1, the ZL1 comes with a factory HX so the whole cooling system is designed accordingly. Adding an aftermarket larger HX to the ZL1 shouldn't be as drastic of an airflow or air temp change as adding one to a car that was never designed from the factory for a HX.
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Old 06-03-2012, 11:15 AM   #20
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You guys (and the like) are the reason I keep modding my car. Its gotta stop! JK, very nice work! Looks like an excellent unit.
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Old 06-17-2012, 11:23 AM   #21
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I think we'll have the data in time. I know I'm logging a lot of "before" data on my car. IAT2s are all I haven't been able to log yet as I haven't decided the best way to monitor without cutting up my interior for a gauge.

One point on comparing G8s and GTOs to the ZL1, the ZL1 comes with a factory HX so the whole cooling system is designed accordingly. Adding an aftermarket larger HX to the ZL1 shouldn't be as drastic of an airflow or air temp change as adding one to a car that was never designed from the factory for a HX.

Right, was hoping someone had checked and had some data. Was just such a pain in the ass on the GTO to keep under hood temps down, hoping with ZL1 we wont have to run some crazy air ducting to keep the temps in check. Heck at that point might as well just buy a meth kit and not worry about it.
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Old 06-17-2012, 12:22 PM   #22
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Right, was hoping someone had checked and had some data. Was just such a pain in the ass on the GTO to keep under hood temps down, hoping with ZL1 we wont have to run some crazy air ducting to keep the temps in check. Heck at that point might as well just buy a meth kit and not worry about it.
The ZL1 was designed as a supercharged application and GM went through a ton of R&D setting up the airflow on this car as you can see in the front air dam design, belly pan with NACA ducts, and a functional hood extractor. The heat exchangers that these aftermarket companies have developed are "thicker" than the factory heat exchanger (more capacity) and in some cases just slightly wider, but for the most part they are similar dimensions and don't protrude down lower than the factory HX to block the radiator. This is where the front air dam is designed to channel airflow to the radiator so that should really be the only concern. And with the factory 'puller' fans on the radiator there's no concern that the radiator will not get airflow. They aren't obstructing air flow to the 'stack' and the front air dam isn't modified so they will function just as the factory setup does. The GTO, G8 and the such were not designed with air flow in mind for a 'stack' as the ZL1 was so of course there were going to be problems (nothing that cant be fixed with a proper air dam and fans). There are several daily driven cars out there, and some down here in the Texas heat, with aftermarket HX installed with no ECT issues. I think all is well.
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Old 06-17-2012, 12:28 PM   #23
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Adding an aftermarket larger HX to the ZL1 shouldn't be as drastic of an airflow or air temp change as adding one to a car that was never designed from the factory for a HX.
One thing I've noticed so far of all the aftermarket HX's available is that almost all of them keep the same height and install location as the factory HX so it isn't protruding down to block the radiator or obstruct the factory air dam flow. Some of them are slight wider but that's a mute issue with the air dam channeling airflow from below. So most of them are just 'thicker' adding capacity. I think they are all on the right track in adding capacity without obstructing the factory design of airflow operation and its actually what GM should have done from the beginning. But the bean counters got in the way as normal.
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