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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 09-27-2011, 05:42 PM   #1
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Cai QUESTION

After driving for about 30 min is it normal for the intake tube to be extremly hot?
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Old 09-27-2011, 05:50 PM   #2
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Yes (ish), it is normal for the outside of the tube to get hot. But how hot are you talking?
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Old 09-27-2011, 05:56 PM   #3
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I run a scangauge II plugged into my OBD port and can monitor a bunch of stuff to include inlet air temps. if the outside temp is 100 deg for example the temp of the inlet air will climb into the 120's and 130's while at a traffic light. Then after a minute or two of running at speeds above 30 the inlet temp falls to within 5 deg of outside air temp. and at highway speeds the inlet temp is 2 degrees above outside air temp. So yes, it will get hot on a hot summer day.
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Old 09-27-2011, 08:16 PM   #4
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the fan pulls heat from radiator right onto the CAI, thats why i hate metal ones
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Old 09-28-2011, 12:47 AM   #5
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Unfortunately many do, even too hot to touch after sitting, engine off, for 15 minutes or more.
Having a heat sink metal pipe as a cold air intake seems contradictory IMO.
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Old 09-28-2011, 08:10 AM   #6
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Quote:
Originally Posted by dshep214 View Post
After driving for about 30 min is it normal for the intake tube to be extremly hot?
We get this question all the time, allow me to explain. Your engine gets very hot, therefore it puts off heat and transfers that heat to everything around it. Our job is to keep the intake air as cool as possible and is what you are paying for when you buy our system. We don't care if the outside of our system or any other componet under the hood is hot, we care about the intake air. That is why we ceramic coat our intake tubes inside and out, to keep the heat on the outside of the tube rather than soaking through to the intake air. So when your intake tube is hot the ceramic is actually doing its job of keeping the heat on the outside. If the tube was not hot to the touch ask your self a common sense question, where did the heat transfer to....answer...the intake air! I hope this helps answer your concern.

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Unfortunately many do, even too hot to touch after sitting, engine off, for 15 minutes or more.
Having a heat sink metal pipe as a cold air intake seems contradictory IMO.
Read above, if it was contradictory it would not keep the intake air within 2 degrees of ambient at cruising. We don't manufacture cold "tube" intakes, we manufacture cold "air" intakes. Judging from his IAT our system is performing exactly how it is designed to perform.
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Old 09-28-2011, 10:18 AM   #7
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Originally Posted by Bill @ CAI Inc View Post
We get this question all the time, allow me to explain. Your engine gets very hot, therefore it puts off heat and transfers that heat to everything around it. Our job is to keep the intake air as cool as possible and is what you are paying for when you buy our system. We don't care if the outside of our system or any other componet under the hood is hot, we care about the intake air. That is why we ceramic coat our intake tubes inside and out, to keep the heat on the outside of the tube rather than soaking through to the intake air. So when your intake tube is hot the ceramic is actually doing its job of keeping the heat on the outside. If the tube was not hot to the touch ask your self a common sense question, where did the heat transfer to....answer...the intake air! I hope this helps answer your concern.



Read above, if it was contradictory it would not keep the intake air within 2 degrees of ambient at cruising. We don't manufacture cold "tube" intakes, we manufacture cold "air" intakes. Judging from his IAT our system is performing exactly how it is designed to perform.


This is true and verified by my Scangauge II. I run it with MAP, inlet air temps, rpms, and fuel pressure displayed. its obvious the system works very well here in texas. This past summer the ambient temps were about 110 every day. While driving, the intake air temp was always about 2 deg more that outside air temps. While stopped idling at a light it would climb to the 130's but once moving again it would drop to withing 5 deg of outside temps within a minute or 2. That tells me it works.

Before i put the CAI on the stock box would never get with 15 deg of outside air temps.
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Old 09-28-2011, 10:29 AM   #8
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Should have bought the CAI cold air kit. I have it and wouldn't trade it for anything.
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Old 09-28-2011, 10:50 AM   #9
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Originally Posted by BullF-16 View Post
This is true and verified by my Scangauge II. I run it with MAP, inlet air temps, rpms, and fuel pressure displayed. its obvious the system works very well here in texas. This past summer the ambient temps were about 110 every day. While driving, the intake air temp was always about 2 deg more that outside air temps. While stopped idling at a light it would climb to the 130's but once moving again it would drop to withing 5 deg of outside temps within a minute or 2. That tells me it works.

Before i put the CAI on the stock box would never get with 15 deg of outside air temps.
Exactly!!
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