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Drilling K&N tube

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Old Jun 28, 2006 | 02:05 PM
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Default Drilling K&N tube

I am planning on drilling a hole in my K&N cai tube to relocate the iat sensor in my '05 Dak. My tube is the chrome/metallic 77 Series. I need input from members who have done this mod as far as the drilling method and hole size is concerned. The last thing I want is to butcher the tube. I plan to leave the original iat sensor where it is and install a second one further down the tube, thus I have the option of swapping them out summer/winter simply by disconnecting one and connecting the other, eliminating the need to plug any holes.
 
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Old Jun 28, 2006 | 06:17 PM
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Default RE: Drilling K&N tube

I've never heard of this mod before so j/w what would this achieve?
i mean its not like the air gets any cleaner as it goes through the tube...but you mentioned summer/winter so i'm guessing something to do with temp?
 
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Old Jun 28, 2006 | 09:42 PM
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Default RE: Drilling K&N tube

It has everything to do with air temp. Cooler incoming air picked up by the sensor equals hp increase. That's the whole point of relocating it closer to the filter.
 
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Old Jun 28, 2006 | 11:35 PM
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Default RE: Drilling K&N tube

have you priced the sensor yet.your looking at about 300.00 for something to plug a hole with. as far as drilling the tube, start with a pilot hole and keep working your way up to the correct size but becarefull dont drill to fast the heat from the bit might distort the thin metal. as far as the plastic tubes same thing but they will crack if not done properly.
 
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Old Jun 29, 2006 | 11:24 AM
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Default RE: Drilling K&N tube

The sensor is only $8.75 at my Dodge dealer.
 
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Old Jun 29, 2006 | 01:11 PM
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Default RE: Drilling K&N tube

well i guess my dealer was looking at the wrong part. then its worth the two sensors idea.
 
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Old Jun 29, 2006 | 04:10 PM
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Default RE: Drilling K&N tube

Here's an idea - the iat sensor works simply by resistance, depending on how hot or cold the sensor is, which in turn sends a signal to the computer telling it how to adjust the air:fule ratio for the most efficient performance.
When I had my Mazda Protege ES, somebody told me about this mod, although I did not try it. A resistor purchased from Radio Shack for less than a buck can basically tell the computer that the air temp is at the optimum temp at all times. The trick is to find out at what temp that is for your particular application.
I have not tried this simple mod on my truck, but I'm curious to see if it would make a difference. Has anybody else heard of such a thing?
 
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Old Jun 29, 2006 | 11:26 PM
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Default RE: Drilling K&N tube

You can find out more if you search the Ram Gen3 site. This is not a recommend modification. Just might ruin your engine.
ORIGINAL: RonnusTwo

Here's an idea - the iat sensor works simply by resistance, depending on how hot or cold the sensor is, which in turn sends a signal to the computer telling it how to adjust the air:fule ratio for the most efficient performance.
When I had my Mazda Protege ES, somebody told me about this mod, although I did not try it. A resistor purchased from Radio Shack for less than a buck can basically tell the computer that the air temp is at the optimum temp at all times. The trick is to find out at what temp that is for your particular application.
I have not tried this simple mod on my truck, but I'm curious to see if it would make a difference. Has anybody else heard of such a thing?
 
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Old Jun 30, 2006 | 12:21 AM
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For maxmax: In what way can this ruin my engine? Please explain. I searched the Ram3 gen forum and could not find anything that applied to this.
 
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Old Jul 1, 2006 | 01:15 AM
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Well I do not know what is going on. I posted a response to luvmydak yesterday evening and it is not here. I will try to post my response again. The word ruin which I used might have been a little strong. It just seems that taking a sensor and replacing it with a fixed value to fool the pcm, while the pcm is receiving varible information from other sensors at some point might just shorten the life of the engine. This is just my take on the replacment of the IAT with a resisor.
ORIGINAL: luvmydak

For maxmax: In what way can this ruin my engine? Please explain. I searched the Ram3 gen forum and could not find anything that applied to this.
 
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