C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

ATI intercooler for C4 --- Effective?

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Old Jul 30, 2003 | 12:32 AM
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Default ATI intercooler for C4 --- Effective?

Has anyone measured the before & after intake air temps for the ATI intercooler? I've added one to my Vortech S-Trim setup (not yet driveable) but really wonder how much air can flow through it in the position its in.

Thanks,
Dave
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Old Jul 30, 2003 | 10:37 AM
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Default Re: ATI intercooler for C4 --- Effective? (DAVE396LT1)

i think they work pretty well. i know a friend that has an SS camaro with the intercooler that is water/air related and after a day of running you can pop the hood and keep your hand on the intake manifold but my air to air works pretty good
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Old Jul 30, 2003 | 02:48 PM
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Default Re: ATI intercooler for C4 --- Effective? (krivera)

This has been thoroughly discussed before. Suggest you search the archives. If your running a basically stock installation the "cooler" will work. At 410 plus rwhp the unit becomes very airflow restrictive.
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Old Jul 30, 2003 | 03:27 PM
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Default Re: ATI intercooler for C4 --- Effective? (RVY)

:confused:

I searched pretty thoroughly for Intercooler AND restrictive in the forced induction C4 forum and didn't find much.

Can you point me a little more specifically? The 410hp sounds very specific, like someone had the I/C on a flow bench, so I don't want to drag this all up if I can find the old thread(s).

Any direction would be appreciated!
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Old Aug 2, 2003 | 10:53 AM
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Default Re: ATI intercooler for C4 --- Effective? (DAVE396LT1)

Yes the ATI intercooler is very effective- at blocking radiator airflow and making your engine overheat. And you're right it hardly gets any air in the standard mounting location. It won't flow near enough CFM for a big engine and small blower pulley. The dual intercooler kit is a much better option.

I picked up 30rwhp by removing it; plus my engine temps are 200-220 instead of 240-250.
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Old Aug 3, 2003 | 03:50 AM
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Default Re: ATI intercooler for C4 --- Effective? (gcrouse)

The L98 intercooler sits right in front of the radiator.
The LT1 intercooler sits on top of the radiator shroud, out of the way of the radiator, and air flow too. lol.
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Old Aug 7, 2003 | 07:28 PM
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Default Re: ATI intercooler for C4 --- Effective? (gcrouse)

Are you saying you've successfully configured twin high-flows in a C4? If so, could you post some photos? I'm trying to figure our how to install them...I'm still a little stumped.
Thanks,
CT
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Old Aug 8, 2003 | 10:28 AM
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Default Re: ATI intercooler for C4 --- Effective? (Brand-X)

:iagree:
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Old Aug 8, 2003 | 06:14 PM
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Default Re: ATI intercooler for C4 --- Effective? (gcrouse)

Yes the ATI intercooler is very effective- at blocking radiator airflow and making your engine overheat. And you're right it hardly gets any air in the standard mounting location. It won't flow near enough CFM for a big engine and small blower pulley. The dual intercooler kit is a much better option.

I picked up 30rwhp by removing it; plus my engine temps are 200-220 instead of 240-250.
:iagree: However I have proven with my setup that it is not because the intercooler is in front of the radiator. The design of the ATI intercooler is such that the end tanks block the radiator also they run a three inch hose down the side of the intercooler and it blocks the radiator. I installed a custom intercooler and put a grill in the front of my car and on the open road the fan never runs. I have the ecm set to turn fan on at 180 degrees but it runs 170 to 175 this is with a stock radiator and a 3.5 inches thick intercooler. The problem with the ati is you can't flow air through solid metal but it will through a core. Mounting intercoolers in fender wells or in any location that don't have good air flow is a waste of time and $$$$$$$
Their is no question that an intercooler of proper size and located where it gets good air flow works and is much better than being non intercooled just look at ever 18 wheeler and farm tractor all have intercoolers but they are mounted in front of the radiator and the grill allows for plenty of air. The ati kits would work in a camaro or mustang but they use the same type in the corvette and it ain't worth SHEET in a vette. Where they really screw people is when they sell them a D-1 and that intercooler for a vette. That intercooler won't flow enough for a P1 and it is a real bottle neck for a D-1 It's all about profit folks thats the america way. I know of no one that makes a good forced induction system for a corvette that is why I built mine. Not because I wanted to or that I wanted something different. I did it because I wanted something that would work and the only solution was to build it myself. It was a lot of work but boy it WORKS :auto:
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