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QUOTE(Sinyk @ May 10, 2007 - 12:13 PM) [snapback]556165[/snapback]
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I didn't have a hole saw so i had to improvise. First I wrapped the pipe in electrical tape where I was drilling, just incase the drill bit decided to wander (helps prevement scratching). Then I used a small drill bit to start the hole (like 1/8" or less) and then moved up to a 3/8" bit, which was the largest I could track down in my house. After that, I had to use a reamer type of drill bit to get the hole up to 5/8" and then just kept working the hole in a circle until it was close to 3/4". Then, I slipped the grommet that came on the stock air box in the hole, stuck the MAF sensor in, and done.
I jacked up the car just to give me some more room to play and had it blocked and propped up on triangle stands (rather be safe than sorry).
I left the wheel on, I found I had plenty of room to work in there. I unbolted about half of the wheel well plastic and just pulled it down so I could work in there. It's maybe 6 screws and a bit of pulling to get it off the car. I didn't remove the whole piece, I just left it resting on the wheel.
just for future refrence, the sensor in your intake piping is an Intake Air Temp sensor. (or IAT sensor for short)
our cars do not have a "Mass Airflow Sensor" the 3sgte does, commonly known as the AFM