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Old 06-15-2013, 10:05 AM   #1
V8 GTFO Lesbic WGN
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Default Rear galley plug pressure gauge install - Teflon, Gasket Maker or Nothing? (Pics)

Installing s Zeitronix Pressure sensor in the rear galley.

1. Do I need to use teflon tape to ensure a tight seal? Or the teflon tape will act as an insulator and I will get false readings from the sender due to it having a faulty ground? Or should I use oil-resistant silicone gasket maker?

2. There is no torque specs for NPT fittings right? It is just by feel?
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Last edited by V8 GTFO Lesbic WGN; 06-15-2013 at 05:49 PM.
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Old 06-15-2013, 10:19 AM   #2
Gs WRX
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I don't know the answer, but I did want to say that I thought I read here somewhere that the thread was BSP and nut NPT. If it is the British std, don't accidentally
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Old 06-15-2013, 10:22 AM   #3
Gs WRX
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Hit send by accident.....just saying different thread profile so be careful.
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Old 06-15-2013, 10:24 AM   #4
V8 GTFO Lesbic WGN
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Yes, I have a 1/8" NPT galley plug adapter by Autometer.

Last edited by V8 GTFO Lesbic WGN; 06-15-2013 at 01:27 PM.
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Old 06-15-2013, 11:37 AM   #5
kellygnsd
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Make sure the MAP sensor you put in there can withstand at least 120 psi. Cold oil pressure is pretty high on start-up and at a minimum 80 psi or 5.5 Bar when the pump is on bypass. If the sensor is rated for it the 120 psi pressure spikes could destroy it.

I used anerobic thread sealing paste. Its better than teflon tape and its safe on oil, fuel, and air fittings.
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Old 06-15-2013, 01:42 PM   #6
V8 GTFO Lesbic WGN
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ok, thanks, I have a 150psi (10 bar) low profile Zeitronix.
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Old 06-15-2013, 02:06 PM   #7
kellygnsd
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Cool, I have the 150 psi AEM sensor in the same spot.
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