2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Need help hooking up stock airbox in s4 Turbo.

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Old Jan 31, 2013 | 08:19 PM
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So I got a stock airbox for my 87 turbo and I tried hooking it up but it won't fit properly.

I have the turbo ducting (2 connected pieces ,is that all of it?) , the afm attached to it.

I tried hooking up the air box to the afm but the fitment isn't right , it needs a spacer or something that I seem to be missing.

What is needed for the complete stock airbox setup in a turbo?

It seemed to go together much easier in my na, my car was missing the intake when I bought it and I want to restrict my cars boost so I'm running stock air box.

I'll take pics tommorow, but I'm sure missing something or something just isn't right.

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Old Jan 31, 2013 | 09:17 PM
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I have a related question that may help you.

The stock air box on my NA has n326 stamped on it. Is the turbo air box really different from the NA. I am now turbo swapped.
So if I wanted to get the stock turbo inlet ducting will the maf line up with the NA airbox?

Last edited by MrGoodnight; Jan 31, 2013 at 09:29 PM.
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Old Jan 31, 2013 | 09:57 PM
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Mine isn't fitting right ,it bolts up but it just isnt as far up as it needs to be so it won't allow it to be.

I thought all the air boxes were the same for t2 and na.

I bought mine off a guy with a t2.

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Old Jan 31, 2013 | 10:46 PM
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Originally Posted by wthdidusay82
I thought all the air boxes were the same for t2 and na.

I dont know, this is my question.
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Old Jan 31, 2013 | 11:24 PM
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I'm trying to figure it out. I'll let you know when I get an answer.

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Old Jan 31, 2013 | 11:37 PM
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N326-13-320
both the N/A and TII.
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Old Jan 31, 2013 | 11:39 PM
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Originally Posted by misterstyx69
n326-13-320
both the n/a and tii.
<3
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Old Jan 31, 2013 | 11:53 PM
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So why am I having problems hooking mine up?

I have :

1) tid - 2 pieces
2) afm
3) air box
4)snorkel


What am I missing?

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Old Feb 1, 2013 | 12:05 AM
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I'm not sure what or where is not connected; pics would definitely be helpful
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Old Feb 1, 2013 | 12:19 AM
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take a look at the parts manual on www.foxed.ca
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Old Feb 1, 2013 | 03:18 AM
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According to what I saw I'm missing nothing other than a gasket.

I don't know why I can't seem to get it to go together. I'll take pics tommorow of my dilemma.

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Old Feb 1, 2013 | 10:16 AM
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From: https://www2.mazda.com/en/100th/
Originally Posted by wthdidusay82
According to what I saw I'm missing nothing other than a gasket.

I don't know why I can't seem to get it to go together. I'll take pics tommorow of my dilemma.

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afm upside down maybe? the afm connector points to the left and the connector goes on top (there is a holder for the harness)
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Old Feb 1, 2013 | 11:04 AM
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In the future, please take pictures first and then post them with your problem description together so we can help. So far we are going on "Something is wrong with the intake, but I have everything"

At this point it's like trying to win a game of CLUE on the first turn.
But I'll give it a shop: Loosen the clamp so you can slide the TID onto the AFM.
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Old Feb 1, 2013 | 03:27 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by RXSpeed16
In the future, please take pictures first and then post them with your problem description together so we can help. So far we are going on "Something is wrong with the intake, but I have everything"

At this point it's like trying to win a game of CLUE on the first turn.
But I'll give it a shop: Loosen the clamp so you can slide the TID onto the AFM.
its either that or its an S5 airbox....
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Old Feb 1, 2013 | 03:32 PM
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Operator error.
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Old Feb 1, 2013 | 04:48 PM
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Well I seemed to get it together but I'm obviously missing a gasket, I'm taking out the engine anyways.

Come to find out a lot of the intake pieces are cracked along with some vacuum hoses, specifically one going to the omp. Bad bad bad

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