Dual Pass intercooler - Page 7 - Cobalt SS Network

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Dual Pass intercooler

Old 02-19-2007, 04:41 AM
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this may be kind of a dumb question but, what is the point of the dual pass?? Does it work with the HE??
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Old 02-19-2007, 10:06 AM
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Originally Posted by 1BADSS/SC View Post
this may be kind of a dumb question but, what is the point of the dual pass?? Does it work with the HE??
it works even better with the he ur temps will drop faster ,more coolant and easy to bleed the system
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Old 02-19-2007, 10:08 AM
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Originally Posted by gilbert View Post
it works even better with the he ur temps will drop faster ,more coolant and easy to bleed the system
Also, it's much much more efficient. It's a pita, as I found out yesterday, but I think it's worth the few hours of misery.
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Old 02-19-2007, 01:08 PM
  #154  
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Dual Pass + Cobra HE + Ported Blower = A Wicked fast car with IAT2 that rarly gets higher than 150 degrees!
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Old 02-19-2007, 01:21 PM
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Originally Posted by Blown 4-banger View Post
Dual Pass + Cobra HE + Ported Blower = A Wicked fast car with IAT2 that rarly gets higher than 150 degrees!
When are you going to help me with mine?lol
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Old 02-19-2007, 01:27 PM
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You shouldn't need the dual pass, right now you have meth injection, and after that you'll have -300 degree nitrous sprayin so heat shouldn't be too much of an issue with you.
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Old 02-19-2007, 01:40 PM
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I just ordered a HE. Can I just use the HE, or do I need this mod too? Money is kinda tight, I dont wanna break the bank...
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Old 02-19-2007, 01:49 PM
  #158  
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Originally Posted by 1BADSS/SC View Post
I just ordered a HE. Can I just use the HE, or do I need this mod too? Money is kinda tight, I dont wanna break the bank...
The dual pass is recomended but not required. I'd say its not as strongly needed for someone with a 2.9-2.8 as it is for someone with a 2.6-2.5.
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Old 02-19-2007, 02:46 PM
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I still can't figure out the deal w/ the orifice
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Old 02-20-2007, 12:41 AM
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Originally Posted by cobaltBlackss View Post
I still can't figure out the deal w/ the orifice
If it helps we never did it. It will just take you longer to bleed the system. I would highly recommend getting yourself access to a good vacuum pump like they use at dealerships to coolant flushes. That will really help prevent getting air in the system.
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Old 02-22-2007, 04:02 PM
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Sticking a vacuum hose on any orrifice weirds me out but I guess its a necessary evil
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Old 02-22-2007, 04:14 PM
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Originally Posted by cobaltBlackss View Post
I still can't figure out the deal w/ the orifice
All you do it break the end piece off the t-fitting that you can get at any autoparts store. Then you just shove it in the end of 1/4" hose, the end where it goes to the top of the heat exchanger. It's pretty damn easy.
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Old 02-22-2007, 06:19 PM
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Originally Posted by MoparMan View Post
Sticking a vacuum hose on any orrifice weirds me out but I guess its a necessary evil
JESS!!! What up! I didn't know you were on this site!?!?

Ok back on topic
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Old 02-22-2007, 08:46 PM
  #164  
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Originally Posted by MoparMan View Post
Sticking a vacuum hose on any orrifice weirds me out but I guess its a necessary evil
What it does is slow Down the amount of Fluid returning to the Reservoir!
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Old 02-23-2007, 12:27 AM
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Originally Posted by BlilBT View Post
What it does is slow Down the amount of Fluid returning to the Reservoir!
i couldnt find a .040 oriface but i have a 1/8 in vacuum T and it looks just like the one in the instructions

think it is gonna be small enough ?
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Old 02-23-2007, 02:19 PM
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I am following everything just fine question is for those that have done this tank mod are any of you running a C/A front heat exchanger if so where did you run the orifice line if you removed the stock h/e? does the c/a h/e have a plug at top? Did you leave the stock h/e in with aftermarket or remove it? I ordered the C/A H/e and have not received it yet so thats why I ask.....
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Old 02-23-2007, 05:02 PM
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Originally Posted by JapEatr View Post
i couldnt find a .040 oriface but i have a 1/8 in vacuum T and it looks just like the one in the instructions

think it is gonna be small enough ?
Local Auto stores Have them, It should work But try to find the 1s they say!

Originally Posted by blown06 View Post
I am following everything just fine question is for those that have done this tank mod are any of you running a C/A front heat exchanger if so where did you run the orifice line if you removed the stock h/e? does the c/a h/e have a plug at top? Did you leave the stock h/e in with aftermarket or remove it? I ordered the C/A H/e and have not received it yet so thats why I ask.....
I'm Not running the C/A Heat exchanger , But I'm Running a Dual Pass & The stock 1! I Put the Line in the Bleeder Plug on the stock H/E
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Old 02-28-2007, 10:45 PM
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I have the ca he that does no have anywhere for a bleeder line. Would it be a bad thing to run the stock and the ca he's?

Last edited by cobaltBlackss; 03-01-2007 at 12:18 PM.
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Old 03-01-2007, 01:04 AM
  #169  
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If you have enough room for both to fit you can bennefit from having 2 HE's instead of one. Just be sure to run the coolant through the stock HE first. Then route it directly from the stock HE to the CA HE. Your temps will stay lower longer and cool back down faster.
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Old 03-01-2007, 01:45 AM
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Originally Posted by Cobalt_Supercharged View Post
If you have enough room for both to fit you can bennefit from having 2 HE's instead of one. Just be sure to run the coolant through the stock HE first. Then route it directly from the stock HE to the CA HE. Your temps will stay lower longer and cool back down faster.
X2!!!
Just got back from racin some SRTs, and at 160 mph my IAT2 was 178 degrees!
The second HE and the dual pass add insane endurance to your intercooler.
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Old 03-01-2007, 06:29 AM
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awesome thanks for the info i will get the stock with the second and do all the cooling mods cant wait friday=pay day= mod day lol
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Old 03-01-2007, 09:27 AM
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Originally Posted by blown06 View Post
awesome thanks for the info i will get the stock with the second and do all the cooling mods cant wait friday=pay day= mod day lol
You will Love it, Just take your time & Reuse the Hose Guard's to help protect the Lines!
The dual Pass H/E I have with the stock 1 works awesome!
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Old 03-07-2007, 10:37 AM
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Imgoing to try that!!!
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Old 03-07-2007, 10:57 AM
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sorry for the questions, one last one have all the mods in the garage i see the routing goes pump to manifold then to the heat exchangers back to pump. Would there be any benefit to run pump to stock exchange to C/A heatexchange then to manifold then to pump? I would assume there wouldnt be just a thought that popped into me head not sure what i was thinking lol
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Old 03-07-2007, 04:36 PM
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Originally Posted by blown06 View Post
sorry for the questions, one last one have all the mods in the garage i see the routing goes pump to manifold then to the heat exchangers back to pump. Would there be any benefit to run pump to stock exchange to C/A heatexchange then to manifold then to pump? I would assume there wouldnt be just a thought that popped into me head not sure what i was thinking lol
The Pump out port goes to stock H/E, Then to the 2nd H/E, Then into the Dual Pass Center Port thru the manifold, Then Back to the Pump in Port for the return trip! The last T before the Pump Ties in the Reservoir right before the Pump In Port!
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