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Old 08-26-2004, 11:24 AM   #1
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Default ADTR intakes

Okay, so i might not know as much as some of you about ADTR intakes (please don't call me a newbie) but what are they, are they still being made, where can i get one, and for how much? Is it the best thing out there? Or would it be better and cheaper to make my own. I would appreciate as much feedback as possible. Thanks.
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Old 08-26-2004, 11:52 AM   #2
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there were only 6 ADTR intakes Willwen has one of them. they are no longer in Production and you cant get one. You can go to Autozone and get a rice pipe for $40. That is what most of us have done here. There is a sticky on the rice pipe in this fourm
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Old 08-26-2004, 11:56 AM   #3
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Mine'* available for $250.

I think all 6 are here......Pete has one, I have one, Paulnold I think.....Hector obviously has one. Where did they all go?
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Old 08-26-2004, 11:59 AM   #4
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oh ****, how much more power did you get out of it bill?
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Old 08-26-2004, 12:32 PM   #5
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Eleventy-nine horsepower.

Seriously, there'* not ALOT of difference between intakes. The trick to getting as much air in there is the pipe diameter, but also the length. Short intakes don't develop the velocity you need. In order to get an accurate MAF reading for the PCM to correctly respond to, you want a 3" pipe, with the smoothest bend possible, reaching all the way to the headlight. Slap a good cone intake on it at that point, and shield it from heat as well as you can.

Hector (from ADTR) bench-flowed and Dyno'd several styles before settling on this design. He found the 3" pipe actually worked more efficiently than the 3.5", and I believe it'* because it forces the incoming air to be more laminar, which is what the MAF needs.

Intake needs vary slightly when comparing the NA to the SC. The NA require laminar flow not only for correct MAF readings, but also for better flow through the upper intake runners. Turbulence is bad. The SC cars obviously 'chop it up' with the rotors, but the laminar flow is still necessary to develop the velocity to increase flow to meet the demands of the SC, AND to get an accurate reading.

All in all, 3" is best for MOST cars here. A heavily modded SSEi might be able to move up to a 3.5", but I think porting and polishing the TB and SC inlet would be necessary to take full advantage of that.

There'* info in Techinfo on some of this, but I'm assuming you've already read it.
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Old 08-26-2004, 12:42 PM   #6
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I think 10HP would be a nice round number if you average out all the cold air intakes out there.
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Old 08-26-2004, 12:50 PM   #7
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Probably. And it depends alot on supporting mods. You'll get more from it with a pulley upgrade and exhaust. Maybe a couple more. Most mods are inter-related with respect to hp increases.

To get the most from an intake, you have to look at the WHOLE picture with regards to engine 'breathability'. This would include CAI or heat shield, exhaust, pulley if Supercharged, etc.
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Old 08-26-2004, 01:05 PM   #8
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Alright, well then i guess i should ask this. What should be the first performance upgrade that would give me a significant feel of the gain. Where should i begin?
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Old 08-26-2004, 01:18 PM   #9
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Intake. Then open the exhaust. Let the air come in and out easier.
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Old 08-26-2004, 02:01 PM   #10
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And the intake MUST come before the SC pulley, or it'* all pointless. But I'd do the 180 thermostat first. Then intake. Pulley and exhaust after that.
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