Defi EGT probe thread pitch vs. Zeitronix EGT thread pitch
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Defi EGT probe thread pitch vs. Zeitronix EGT thread pitch
Hello all,
Sorry I tried to do a bit of searching but need to know for sure. Currrently I have a defi EGT probe in my stock manifold and I am switching over to Zeitronix and will be pulling the Defi probe out.
Does anyone know if they are using the same thread pitch and size? The defi one looks smaller than the photos I have seen of the one used by Zeitronix.
Does anyone know the pitch of both of these for sure? I need to retap that exhaust mani while the turbo is off if I need to do it. I don't want to find out after the turbo is on the car.
Sorry I tried to do a bit of searching but need to know for sure. Currrently I have a defi EGT probe in my stock manifold and I am switching over to Zeitronix and will be pulling the Defi probe out.
Does anyone know if they are using the same thread pitch and size? The defi one looks smaller than the photos I have seen of the one used by Zeitronix.
Does anyone know the pitch of both of these for sure? I need to retap that exhaust mani while the turbo is off if I need to do it. I don't want to find out after the turbo is on the car.
Thread Starter
Evolved Member
iTrader: (37)
Joined: Jun 2006
Posts: 1,975
Likes: 1
From: San Francisco
Okay so the one from Zeitronix is a 1/8 NPT tap, and I am coming up with the same results for Defi EGT gauges, but I saw that for Defi the NPT 1/8 tap is optional. Argh, I guess I need to find out which one I have since I bought it used.
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