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Old 12-10-2009, 02:38 PM   #1 (permalink)
 
Registered: Oct 2009
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GM IAT Sensor Placement Help

Greetings

I am going SD and have the Omni 4 Bar with a GM IAT Sensor. After searching the forums, I can't seem to get a definitive answer on where the IAT Sensor is supposed to be welded on. I have read on the forum that the placement goes before the BOV. My question with this is the placement for a Tial 50mm VTA BOV: Members have the sensor welded before the BOV between the IC and BOV, but the shop I am getting to weld it on is saying that it should be as close to TB as possible. I understand the the IAT reads the temp of the air, but will placing it before BOV throw off readings for air in UICP after air is vented?

I don't plan on using Meth in the future. I plan on staying on pump gas for a while.

Any help on this matter please?
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Old 12-10-2009, 04:17 PM   #2 (permalink)
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im not sure on this one. this is a questions for the tech gurus hopefully they come on and check it out. i would copy what works though if people are getting better results before the BOV then go with that. Also why are you going with a speed density setup? what mods do you have?
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Old 12-11-2009, 04:10 AM   #3 (permalink)
 
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Originally Posted by SicLanEvo View Post
im not sure on this one. this is a questions for the tech gurus hopefully they come on and check it out. i would copy what works though if people are getting better results before the BOV then go with that. Also why are you going with a speed density setup? what mods do you have?
BR TBE w/out Cat, BR IC w/Lower and Upper Piping, Tiall 50mm VTA BOV, WeaponR Intake
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Old 12-11-2009, 06:57 AM   #4 (permalink)
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so what is your goal of running GM setup? Personally with a intake you can hear any recirculated BOV, if thats your goal. I would have just gotten a different BOV and not even worried about the rest. i understand if your running crazy amounts of boost with a big turbo and a stand alone, but for everyday use i would just keep it running the mafs and tune the ecu with ecuflash.
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Old 02-08-2010, 10:28 PM   #5 (permalink)
 
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Yes, I'm planning on running a SD setup as well and the sensor must go as close to the intake manifold as possible. Most people would put it right on the intercooler pipe, just before the throttle body. I would just get one of these hobart welders and weld the sensor pretty close to the throttle body, on the IC piping.
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Old 01-31-2011, 07:52 PM   #6 (permalink)
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IAT Sensor

Quote:
Originally Posted by ravnos04 View Post
Greetings

I am going SD and have the Omni 4 Bar with a GM IAT Sensor. After searching the forums, I can't seem to get a definitive answer on where the IAT Sensor is supposed to be welded on. I have read on the forum that the placement goes before the BOV. My question with this is the placement for a Tial 50mm VTA BOV: Members have the sensor welded before the BOV between the IC and BOV, but the shop I am getting to weld it on is saying that it should be as close to TB as possible. I understand the the IAT reads the temp of the air, but will placing it before BOV throw off readings for air in UICP after air is vented?

I don't plan on using Meth in the future. I plan on staying on pump gas for a while.

Any help on this matter please?
Can anyone tell me where & what color the IAT sensor is? (also known as the Air Temperature Sensor, AIT or MAT).
I have a little mini-performance chip to plug into it but can't find it.
Thanks for your help!

Last edited by jansengeorge; 02-09-2011 at 08:05 PM.
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Old 02-01-2011, 08:02 AM   #7 (permalink)
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your little chip will not work and the evo runs a MAFS or Mass Air Flow Sensor. If you plug in that cheap resistor its not going to do anything except potentially mess something up.

Is this even for the evo? if not what kind of car and maybe the appriorite forum would be a good place to start.


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