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Topgunz - air to air upgrade

Originally Posted by TBatt Which MAP sensor are you using? The stock sensor was not designed to read pressure so it could be off. I'm using the Nissan GTR sensor

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Old 10-10-2017, 09:38 AM   #1 (permalink)
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Which MAP sensor are you using? The stock sensor was not designed to read pressure so it could be off. I'm using the Nissan GTR sensor that SpecialtyZ sells along with there remote tune package. My AEM boost gauge and the GTR sensor agree with each other.

When I was looking for a boost leak I made a leak tester and pressurized the system up to 8psi and both of the sensors read the same (engine not running) during the test. The leak showed up around 3psi if I remember correctly. If you have an aircompressor and a good pressure regulator I'll be glad to loan you my tester that I made.

Top, do you have any words of wisdom that you can share?
Did the leak make your car idle funny? Run rich?
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Old 10-11-2017, 10:09 AM   #2 (permalink)
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Did the leak make your car idle funny? Run rich?
No it didn't because the leak was at the exit of the intercooler which is still before the MAF sensors. The leak only affected my boost or lack of it. When I installed the A2A kit I missed tightening the clamps that hold the coupler from the intercooler to the intake pipe with the MAF sensors on it. It was very embarrassing.....
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