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Old Jun 6, 2021 | 09:46 AM
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Hello everyone, I am new to the site and the miata world, I purchased the mk full turbo kit but am having a bit of difficulty installing the compressor side of the intercooler pipes as I am not sure where they are supposed to route. Also unsure of if I was sent the proper pipe from Lars as all I have left after doing cold side is 3 90* angles. Can someone please help?


Old Jun 6, 2021 | 11:51 AM
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You should have those 3 1.75" pipes. They were labeled A,B,C when I sent them out. They go in that order from the compressor outlet. You clock the outlet to point up. Then a 90 coupler off it to pipe A, then a straight coupler to pipe B, then a 90 coupler to pipe C, then into the IC.

Will sort of look like the picture below, but a 90 instead of the 45 coupler. This is the best picture I have available at the moment on the computer I am on.

Old Jun 7, 2021 | 06:37 AM
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Originally Posted by shuiend
You should have those 3 1.75" pipes. They were labeled A,B,C when I sent them out. They go in that order from the compressor outlet. You clock the outlet to point up. Then a 90 coupler off it to pipe A, then a straight coupler to pipe B, then a 90 coupler to pipe C, then into the IC.

Will sort of look like the picture below, but a 90 instead of the 45 coupler. This is the best picture I have available at the moment on the computer I am on.
I willre check when I get home from work today, where does the bov mount in retrospect in this photo
Old Jun 7, 2021 | 07:51 AM
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BOV will be on the cold side of the engine back. It will be under the throttle body to the side of the alternator.

The picture is for a NA8 setup. Which has the coldside pipes a little different. Where there is that 45 pipe on the left in this picture, you will have a 90 degree pipe that goes straight down and then towards the wheel.
Old Jun 7, 2021 | 02:49 PM
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Originally Posted by shuiend
BOV will be on the cold side of the engine back. It will be under the throttle body to the side of the alternator.

The picture is for a NA8 setup. Which has the coldside pipes a little different. Where there is that 45 pipe on the left in this picture, you will have a 90 degree pipe that goes straight down and then towards the wheel.
okay so on the cold side i have the piece with the bov attached to the tb and the goes down to a 90* and into the inter cooler. Is this correct
Old Jun 7, 2021 | 03:18 PM
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Originally Posted by Boosti99nb
okay so on the cold side i have the piece with the bov attached to the tb and the goes down to a 90* and into the inter cooler. Is this correct
Sounds right. The 90 degree pipe coming out the IC should have an open bung for IAT sensor. Then big bung on the next pipe for the BOV and one with a brass fitting for a vacuum line to the top port on the wastegate.
Old Jun 7, 2021 | 03:53 PM
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Originally Posted by shuiend
Sounds right. The 90 degree pipe coming out the IC should have an open bung for IAT sensor. Then big bung on the next pipe for the BOV and one with a brass fitting for a vacuum line to the top port on the wastegate.
thats currently how it is set up. I just need to work on hit side when I get home from work. Thank you for the responses
Old Jun 7, 2021 | 05:15 PM
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Originally Posted by shuiend
BOV will be on the cold side of the engine back. It will be under the throttle body to the side of the alternator.

The picture is for a NA8 setup. Which has the coldside pipes a little different. Where there is that 45 pipe on the left in this picture, you will have a 90 degree pipe that goes straight down and then towards the wheel.


is this correct?
Old Jun 8, 2021 | 07:37 AM
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Originally Posted by Boosti99nb


is this correct?
Looks pretty close. Pipe should then go up towards the hood. Below is another NA8 picture, but NB1 routing and clocking the turbo will be almost exactly the same. You may need to move a power steering line back a bit get clearance. Also depending on sway bay, radiator, and cooling fans clearance can be tight.


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