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Discussion Starter #1 (Edited)
Hi.
I'm wasn't satisfaction by heat protection K&N CAI 57 series.I've had many idea about this problem,and I found solution(I hope!!!!).
I bought thees item-first picture
second and third pictures-before.
Main idea is block hot air to the filter.
With my pleasure,Manlixer
 

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That rhythm is INFECTIOUS.
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Well protecting the intake tube from heat intrusion will certainly help, I would think. Sure the performance gain may not be easily measurable, but anything to get colder air into the intake can't hurt, right? :D
 

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Just out of curiosity, has anyone ever used a sensor or readings to prove any difference?


I purchased a 5 dollar Ice Warner device deal that has the really long wire with a temp probe on it. Used for warning of ice of course, but I placed the sensor securely inside the air intake track just before the throttle body.

When I made a homemade ram air deal using ducting and the stock air box I could see that the air intake temps were always less than 10 degrees off (warmer) of outside temp. When I reinstalled A/c I did away with the ram air and the stock airbox draws in air from the fender and engine bay.

While driving and moving at constant speed I noticed nothing more than a 15-20 degree difference in intake charge and outside air, where as sitting the air would get way warmer. After sitting the sensor would read over 100 degrees in the summer after engine shutdown and heat soak but would drop quickly once started up.

What I am saying is the stock air box does not to bad of a job even when opened to the engine bay when your moving. I have yet to actually install a true CAI to test with the temp readings but I expect the same as my Ram Air deal, 10 degree or less difference in intake charge and ambient.
 

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Just out of curiosity, has anyone ever used a sensor or readings to prove any difference?


I purchased a 5 dollar Ice Warner device deal that has the really long wire with a temp probe on it. Used for warning of ice of course, but I placed the sensor securely inside the air intake track just before the throttle body.

When I made a homemade ram air deal using ducting and the stock air box I could see that the air intake temps were always less than 10 degrees off (warmer) of outside temp. When I reinstalled A/c I did away with the ram air and the stock airbox draws in air from the fender and engine bay.

While driving and moving at constant speed I noticed nothing more than a 15-20 degree difference in intake charge and outside air, where as sitting the air would get way warmer. After sitting the sensor would read over 100 degrees in the summer after engine shutdown and heat soak but would drop quickly once started up.

What I am saying is the stock air box does not to bad of a job even when opened to the engine bay when your moving. I have yet to actually install a true CAI to test with the temp readings but I expect the same as my Ram Air deal, 10 degree or less difference in intake charge and ambient.
If it's a 10° difference that's a 1-2% difference in air volume (depending on ambient temp) - assuming I'm remembering my HS chemistry correctly.
 

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Discussion Starter #8
You can use scanner OBD-2 with real time parameters.The one is Air Intake Temperature.I thought about that,but I haven't a scanner.
 

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the K&N is actually advertised as a FiPK, a Fuel Injection Performance Kit, not actually a 'Cold Air' its designed to allow the intake air to travel more fluidly to the throttle body, hence increasing performance.
 

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Discussion Starter #10
the K&N is actually advertised as a FiPK, a Fuel Injection Performance Kit, not actually a 'Cold Air' its designed to allow the intake air to travel more fluidly to the throttle body, hence increasing performance.
K&N 57 is good item for my Dodge.It is make engine breath easily,but I wont block hot air and radiant heat.
 

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Discussion Starter #12
Its the same kit I have on my 2.7 lol
Just put your hand at the center of hose and you can feel how hot is it!!!!(only after long trip or through traffic).
 

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Yeah, but you also have to consider how much time the air is spending in the intake tube. At 500 RPM air entering the filter is inside the engine in well under a second - not much time to transfer heat from the tube to the intake air ...
 

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Hell this wouldn't hurt. I like it
 

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For the minimal gain.. I would rather have the nice looking intake being shown in my engine compartment.. rather than aluminum foil wrapped tube. But that's just my personal preference :D

Right now my K&N is sitting in the back seat on the floor.. itching to get into the engine compartment... Templates have to be made of the heat shield first for a little custom project that's been swimming around in my mind.
 

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Discussion Starter #16
For the minimal gain.. I would rather have the nice looking intake being shown in my engine compartment.. rather than aluminum foil wrapped tube. But that's just my personal preference :D

Right now my K&N is sitting in the back seat on the floor.. itching to get into the engine compartment... Templates have to be made of the heat shield first for a little custom project that's been swimming around in my mind.

This wrap isn't only foil.It has a few plies for heat protection.
How it looks-a last point of my interest.
 

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Discussion Starter #17 (Edited)
Yeah, but you also have to consider how much time the air is spending in the intake tube. At 500 RPM air entering the filter is inside the engine in well under a second - not much time to transfer heat from the tube to the intake air ...
It is only theories.Before I made heat protection, filter's body was a hot(and tube of course too),after that filter's body is cold.About hose I have only prediction.
 

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It is only theories.Before I made heat protection, filter's body was a hot(and tube of course too),after that filter's body is cold.About hose I have only prediction.
Well it isn't really theories. The air flows through the intake tract so fast that there really isn't a chance for the heat from the tube to transfer to the air flowing through it.

The one thing that is beneficial is keeping the hot engine bay air from being sucked into the filter. The better you can seal your shield around the air filter the more chance it sucks outside air in instead of hot engine bay air
 

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Discussion Starter #20
Anyway,this is my point of view!
 
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