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  #25  
Old 08-18-2011, 10:44 AM
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Re: Nick's (GCL06) Build Thread

Hey no reason to feel bad about saving money! Could I spend the 300 on a CAI? Sure, but it wouldnt be as fun as making my own, and it wouldnt save me all that money. So ill tackle the homemade route and see what happens! Nick the other question I have is about the sensor you have to install. You drilled a hole for it correct? But does it just pop in and stay or did you have to figure out a way to keep it in the hole?
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  #26  
Old 08-18-2011, 10:53 AM
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Re: Nick's (GCL06) Build Thread

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Originally Posted by Crestwood1001 View Post
Hey no reason to feel bad about saving money! Could I spend the 300 on a CAI? Sure, but it wouldnt be as fun as making my own, and it wouldnt save me all that money. So ill tackle the homemade route and see what happens! Nick the other question I have is about the sensor you have to install. You drilled a hole for it correct? But does it just pop in and stay or did you have to figure out a way to keep it in the hole?

I just asked all these questions. Like 4 posts ago. He directed me to the link he posted with his pictures in this thread..just go back a little bit and youll see.
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  #27  
Old 08-18-2011, 10:56 AM
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Iv read over that thread, these questions elaborate on some details of the mod, they are more specific things I want to know, hence why I asked.

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  #28  
Old 08-18-2011, 10:59 AM
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Re: Nick's (GCL06) Build Thread

Unless I am missing something from the pic's, you have built a hot air intake, sucking in air from the engine compatment. Intake air temps make a big difference in power output, and I would estimate with a 4.7, you are losing about 25 hp versus the stock intake, once the motor is up to operating temp. I previously posted the formula for calculating HP and torque at different intake ari temps on a 5.7 which can be a significant figure (up to 40 HP).
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  #29  
Old 08-18-2011, 12:26 PM
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Re: Nick's (GCL06) Build Thread

He placed it directly over the intake for the stock tubing, therefor its taking in very close to the same temp air, he just created a strait smooth flowing tube to the throttle body. He has noticed big improvements so I doubt he lost any HP
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  #30  
Old 08-18-2011, 02:14 PM
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Re: Nick's (GCL06) Build Thread

It's been a while but I believe that everything in this pic along with the muffler tape I ordered soon after is everything I used? Sorry, I have terrible memory. I remember the thing meant to connect to the throttle body didn't fit right so I ended up connecting the intake and TB by cutting the original connector and pairing the parts through it. Limited terminology but I think you'll know what I mean if you look under the hood.


As far as keeping the sensor in place - I'm sure there's a better way but I just have mine tied in place with some sort of regular old string. Between a tight fitting hole in the pvc, the hole in the muffler tape, and the string it has never come out of place.

As for the "hot air intake" comment - my design is very similar to most of the legitimate CAI kits. I know the BWoody sucks cooler air in but all the others I've seen basically pull air from the same sources whether they have some thin metal sheet to supposedly (magically?) keep heat away from the intake. Maybe I'm wrong but I think the BWoody design is the only way to get cold air but for us offroaders the idea of putting the intake in such a low and exposed spot is just asking to hydrolock. So in summary, I never claimed to know it all or be a pro, just made a cheap replication of some of the CAIs on the market and there is plenty of room for improvement for those who have the know-how and time to do so.
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  #31  
Old 08-18-2011, 03:15 PM
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Quote:
Originally Posted by GCL06 View Post
It's been a while but I believe that everything in this pic along with the muffler tape I ordered soon after is everything I used? Sorry, I have terrible memory. I remember the thing meant to connect to the throttle body didn't fit right so I ended up connecting the intake and TB by cutting the original connector and pairing the parts through it. Limited terminology but I think you'll know what I mean if you look under the hood.


As far as keeping the sensor in place - I'm sure there's a better way but I just have mine tied in place with some sort of regular old string. Between a tight fitting hole in the pvc, the hole in the muffler tape, and the string it has never come out of place.

As for the "hot air intake" comment - my design is very similar to most of the legitimate CAI kits. I know the BWoody sucks cooler air in but all the others I've seen basically pull air from the same sources whether they have some thin metal sheet to supposedly (magically?) keep heat away from the intake. Maybe I'm wrong but I think the BWoody design is the only way to get cold air but for us offroaders the idea of putting the intake in such a low and exposed spot is just asking to hydrolock. So in summary, I never claimed to know it all or be a pro, just made a cheap replication of some of the CAIs on the market and there is plenty of room for improvement for those who have the know-how and time to do so.

I love your design, I'm gonna do one myself soon. Where did you get the coupler? The red plasic thing.... And how many did you use.

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  #32  
Old 08-18-2011, 03:31 PM
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Re: Nick's (GCL06) Build Thread

Quote:
Originally Posted by Crestwood1001 View Post
I love your design, I'm gonna do one myself soon. Where did you get the coupler? The red plasic thing.... And how many did you use.

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Thanks. I got the coupler at like autozone or advance or some place like that. Only need one for the TB to meet the intake. The elbows take place of the rest and the filter should come with one for the end.
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  #33  
Old 08-18-2011, 03:45 PM
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Re: Nick's (GCL06) Build Thread

Quote:
Originally Posted by Crestwood1001 View Post
He placed it directly over the intake for the stock tubing, therefor its taking in very close to the same temp air, he just created a strait smooth flowing tube to the throttle body. He has noticed big improvements so I doubt he lost any HP

The stock intake is sealed and pulls air from the outside and not from under the hood. Similarly, the AFE stage II has an enclosure around the filter so it draws mostly outside air. One cannot defy the laws of physics, and the intake shown above is only pulling hot air from underneath the hood, and is losing measurable HP as a result.
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  #34  
Old 08-18-2011, 03:52 PM
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Re: Nick's (GCL06) Build Thread

Disagree strongly. He has it sitting directly in front of the hole that the intake brings air into the stock filter.
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  #35  
Old 08-18-2011, 03:57 PM
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Re: Nick's (GCL06) Build Thread

Quote:
Originally Posted by dmsfun View Post
The stock intake is sealed and pulls air from the outside and not from under the hood. Similarly, the AFE stage II has an enclosure around the filter so it draws mostly outside air. One cannot defy the laws of physics, and the intake shown above is only pulling hot air from underneath the hood, and is losing measurable HP as a result.
Not saying you're wrong and I don't have the Jeep here to look at the stock box but I'm not exactly sure how the stock intake is taking in outside air when it's in the same place as my filter and both are right there under the hood. I know there are some small holes in the bottom of that box but they looked to be too small to be the source of incoming aor and are most likely there to allow water to drain.

Seems to me from what I remember that the only real difference between the stock setup and the intake I made is that the stock filter is a flat filter sitting in the same box in which my cone filter is placed and that the resonator box is replaced by a smoother, more direct tube into the TB.
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  #36  
Old 08-18-2011, 04:03 PM
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Re: Nick's (GCL06) Build Thread

The air comes in from a small dam on the inside of the grill that pushes it into the airbox, which pushes it to the same area as the stock box. I see no issue, especially if he says hes getting improvements then I believe him.
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