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Ls6 To Fast 90 Intake Swap Help

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Old 04-05-2006, 02:16 AM
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Default Ls6 To Fast 90 Intake Swap Help

Ive Attached A Pic Of The Part Im Tryng To Remove Form My Ls6 Intake .. I Dont Know How To Disconnect It From The Intake But I Figure I Need To So I Can Use It When Installing My Fast 90 Setup


1: Do I Even Need This Part Off The Intake For The Swap?
2: If So Then How Do I Remove It?
Attached Thumbnails Ls6 To Fast 90 Intake Swap Help-image008.jpg  
Old 04-05-2006, 04:54 AM
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Yeah, that is your IAT sensor. Should just pull off with some gentle force. A lil dab of RTV on the new intake will keep it in place.
Old 04-05-2006, 05:21 AM
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Your Iat Sensor Is In Your Airbox??

Also I Applied A Little More Than Getle Force And It Didnt Budge

Thnaks For The Help But Can Anyone Verify This
Old 04-05-2006, 05:44 AM
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Originally Posted by Jpr5690
Your Iat Sensor Is In Your Airbox??
Haha, damnit! your right (I need to go to bed) Not sure what I was looking at in the picture... But that is how I took that sensor out.
Old 04-05-2006, 07:46 AM
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Thats the MAP sensor, and yeah, it just sits in the hole back there, and should pull right out. Try rotating it a little in either direction, the rubber might have stuck to the manifold a little, especially if its an older car.
Old 04-05-2006, 08:17 AM
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Put some permatex around the rubber before you install in the Fast intake. Give it a few hours to set up before you start the car. That way it will seal to the Fast intake.
Old 04-05-2006, 09:16 AM
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Yep the MAP sensor should pull out and then you'll need to RVT it into the FAST intake, it'll be kinda loose so let it sit for a minute or two after.
Old 04-05-2006, 06:08 PM
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the dam thing wont pull off it feels like it will break if i try anf pry it off does it have to be twisted or something i have even tried with vice grips and have had no luck


also how much is a new map sensor .. im thinking just to leave it
Old 04-05-2006, 07:39 PM
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are you trying to pull just the sensor off (the small peice that the electrical connector plugs into), or are you trying to pull the whole plastic elbow that snaps into the intake?

If you're trying to take off the whole elbow... you can pull all day long and it'll never come out, it snaps in and has to be released from the inside of the intake.

With the sensor, try pulling it straight up, you might try putting a small screwdriver under it longways and gently pry up.
Old 04-05-2006, 08:14 PM
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that isnt a LS6 intake is it, the coolant lines still run underneath it. or did u trim the bottom of it to fit the coolant lines??
Old 04-05-2006, 08:37 PM
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Originally Posted by Z28LS1camaroguy
that isnt a LS6 intake is it, the coolant lines still run underneath it. or did u trim the bottom of it to fit the coolant lines??
I'm wondering the same thing. Post up a picture of the bottom of the intake manifold if you get a chance.

The LS6 is flat on bottom and will not clear that vent tube running across the valley cover. If you try to bolt the FAST down, it might crack the bottom or make it mis-aligned, as it is flat on bottom too.

You will need some coolant plugs, and a new front crossover pipe from an 01+ car to make it work.
Old 04-05-2006, 09:11 PM
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The FAST intake comes with different valley cover bolts that are flatter and its also flat itself on the bottom, he just has to get the MAP sensor out.
Old 04-05-2006, 11:15 PM
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Originally Posted by Detroitmuscle
The FAST intake comes with different valley cover bolts that are flatter and its also flat itself on the bottom, he just has to get the MAP sensor out.
Look at the picture, it still has the STOCK (97-00) coolant vent tube. That will NOT fit under the FAST intake manifold, the same as it should not be used under the LS6. I'm not talking about the slimmer valley cover bolts, which are also neeed.
Old 04-06-2006, 12:42 AM
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that's the picture that is used on LS1HOWTO.COM. I'm sure he has the LS6
Old 04-06-2006, 12:43 AM
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http://www.ls1howto.com/howto/geniii...//IMAGE008.jpg
Old 04-06-2006, 12:54 AM
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yep!!! --->
Originally Posted by just-a-z
that's the picture that is used on LS1HOWTO.COM. I'm sure he has the LS6


also to clarify im tring to remove the entire elbo that the map sensor plugs into on the back of my ls6 intake
Old 04-06-2006, 12:57 AM
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twist and pull up
Old 04-06-2006, 01:16 AM
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ah, twist and pull??

do i twist clockwisw or counterclockwise


this thing is really being a bitch and i dont wanna break it
Old 04-06-2006, 06:26 AM
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Originally Posted by Jpr5690
yep!!! --->



also to clarify im tring to remove the entire elbo that the map sensor plugs into on the back of my ls6 intake
Why? Every FAST intake I've ever seen has the back side of the intake molded with the appropriate vacuum hookups and a port for just the MAP sensor (about a 1/2" hole). You only need to remove the sensor for the swap.
Old 04-06-2006, 06:33 AM
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Yeah you just need teh sensor itself not the entire elbow.

Look at the picture, it still has the STOCK (97-00) coolant vent tube. That will NOT fit under the FAST intake manifold, the same as it should not be used under the LS6. I'm not talking about the slimmer valley cover bolts, which are also neeed.
Yeah its off LS1howto.com, he has an 02 which obiviously wouldn't have that coolant x-over.



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