2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

New OTT Heat Exchanger

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Old Oct 29, 2009 | 05:55 PM
  #26  
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Originally Posted by Winkdogydog101
how does this stack up agaisnt the s3 from zzp looks the same as theirs theirs is dual core as well
It's a bar and plate HE
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Old Oct 29, 2009 | 06:06 PM
  #27  
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Bar and plate works well.
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Old Oct 29, 2009 | 06:12 PM
  #28  
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still saving up money lol.
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Old Oct 29, 2009 | 06:24 PM
  #29  
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This is FANTASTIC!
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Old Oct 30, 2009 | 09:05 AM
  #30  
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Is there an option to have the brackets welded on bottom side of the HE instead so that the drain plug can be used for a bleeder line?
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Old Oct 30, 2009 | 09:09 AM
  #31  
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So how long until someone steals this design?
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Old Oct 30, 2009 | 09:12 AM
  #32  
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Originally Posted by sput
Is there an option to have the brackets welded on bottom side of the HE instead so that the drain plug can be used for a bleeder line?
There is not, i can run it by the boss though if you wanted something like that and we might be able to do it
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Old Oct 30, 2009 | 06:36 PM
  #33  
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I've been bugging them about this release........I'm purchasing one with option B.
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Old Oct 31, 2009 | 07:32 PM
  #34  
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Poopy. This one's bigger and cheaper than the one I just ordered.
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Old Nov 1, 2009 | 11:26 PM
  #35  
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Just ordered mine with the option B.
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Old Nov 2, 2009 | 11:03 AM
  #36  
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Bar and plate= a/a core, wouldn't it be best to use a water to air core? Either way it looks good. I doubt the core will make that much of a diffrence.
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Old Nov 2, 2009 | 11:45 AM
  #37  
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I'm wondering here would the ZZP S3 be better that the bar to bar ottp just got made here?
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Old Nov 2, 2009 | 11:48 AM
  #38  
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From: The 405
is this still a dual pass design like the now second newest is?
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Old Nov 2, 2009 | 11:51 AM
  #39  
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Originally Posted by EXsoccer1921
is this still a dual pass design like the now second newest is?
Yes still dual pass
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Old Nov 2, 2009 | 11:53 AM
  #40  
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can we send back in the old one for a discount? like some places do with injectors?(not refering soley to zzp, cause a lot of non vendor race shops/places do this)
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Old Nov 2, 2009 | 11:21 PM
  #41  
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are the tabs in the same spot as the other so if i take the one i have and put this one on will it match to the holes i drilled already?

and yea what he said ^^

and yea what he said ^^

Last edited by rico; Nov 2, 2009 at 11:21 PM. Reason: Automerged Doublepost
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Old Nov 2, 2009 | 11:28 PM
  #42  
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do u have to drill holes or does it just mount?
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Old Nov 2, 2009 | 11:31 PM
  #43  
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Originally Posted by ikeryder13
do u have to drill holes or does it just mount?
You will have to drill holes into the core support... but that is it. No trimming is needed.
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Old Nov 3, 2009 | 08:45 AM
  #44  
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Originally Posted by Jn2
Bar and plate= a/a core, wouldn't it be best to use a water to air core? Either way it looks good. I doubt the core will make that much of a diffrence.
Our last model was bar and plate also, the zzp stage 1 and 2 heat exchangers are also bar and plate. Without direct testing between the two it would be hard to tell, but on paper ours does better.
Originally Posted by MP Cobalt
I'm wondering here would the ZZP S3 be better that the bar to bar ottp just got made here?
Answer is above.
Originally Posted by EXsoccer1921
can we send back in the old one for a discount? like some places do with injectors?(not refering soley to zzp, cause a lot of non vendor race shops/places do this)
No we don't want them laying around here and you would make more money on it in the classifieds.
Originally Posted by rico
are the tabs in the same spot as the other so if i take the one i have and put this one on will it match to the holes i drilled already?

and yea what he said ^^

and yea what he said ^^
Yes they are in the same spot as the other one. The only problem some people might run into is if they didn't mount there first one directly in the center.
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Old Nov 3, 2009 | 07:42 PM
  #45  
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Will this cut down the air flow to the radiator? Running stage 3 and can't adjust the fans.
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Old Nov 7, 2009 | 07:23 PM
  #46  
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Ok....will this cut down the air flow significantly to the radiator? 10%, 20%, 30%? The bars are quite thick in between the fins.
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Old Nov 7, 2009 | 08:40 PM
  #47  
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I recoomend u wire in a manual switch for ur high fan setting. My low turns on @196*, and I control my high setting by a switch.
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Old Nov 7, 2009 | 09:08 PM
  #48  
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Originally Posted by Jn2
I recoomend u wire in a manual switch for ur high fan setting. My low turns on @196*, and I control my high setting by a switch.
you using HP tuners to change the settings on your 2.2? I want to be able to adjust mine since it's winter time and where I live in WA gets quite chilly this time of year
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Old Nov 8, 2009 | 02:22 PM
  #49  
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Originally Posted by fast98
Our last model was bar and plate also, the zzp stage 1 and 2 heat exchangers are also bar and plate. Without direct testing between the two it would be hard to tell, but on paper ours does better.
Not true at all.

the bar and plate design inherently is not ideal for fluid heat transfer. It has advantages for working in high pressures, being strong and allowing large coolant flow in a small area but these are not issues for this application.

A cars front radiator performs by placing as much water as possible as close to as much air as possible. The bar and plate's largest flaw is in this regard. imagine you have 2 containers holding water inside. One has walls 1/4" thick and one the walls are thin like tinfoil. Which will keep the water hot longer? Obviously the one with thicker walls. Aluminum is an insulator and only serves the purpose of keeping your coolant in something while the heat exchange takes place. Bar and plate IC's are very thick, hence why they are so heavy. Same size IC weighs twice what the ZZP unit does because of this.

The 2nd, smaller problem of a bar/plate IC is the airflow through it. You are limited by the air hitting the front of the car and the area available for that air to go through. The opening is the same on both cars (assuming Cobalt) and if you keep the speed the same, and both cores cover the same area. But upon close inspection of a bar/plate design you'll notice the 'bars' are effectively blocking up to 1/4 of the airflow through the core. This means that in the same area, a bar/plate won't have as much air flowing through it as a typical radiator style core would.

3rd small factor is wieght. Dropping ~10 pounds is like adding 1HP. Shedding weight anywhere you can makes the car corner better, brake better and accellerate faster. The ZZP S3 is less than 7#'s.

So why bar and plate at all? They are very effective in liquid air applications where charged air is passing through them. The air is forced so the blocking of air by the bars isn't an issue. They withstand higher pressures, so you can run 30-40-50 psi through them and a typical radiator would crush a little over 20.

The science of going fast, and making the most HP is just that. Science.
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Old Nov 8, 2009 | 09:14 PM
  #50  
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::grabs pop corn::
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