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Old 08-21-2002, 04:36 PM   #1
Scooby Newbie
Member#: 6785
Join Date: May 2001
Location: Toronto
2002 WRX

Default EGT bung on manifold.. some adviced needed

hi all.. I am about the to install the Greddy EGT sensor on the manifold.. I will be giving this to the machine shop to do the tap.

My question is... after the tap the manifold and installed the bung(or adaptor.. whatever it is call).. does the connection/thread between the bung and the manifold require any sealant/loctie/tape? I just want to make sure no leak...

And.. I have heard from everyone that when I screw in the sensor into the bung.. it will require some high temp. loctie... right?

pls help.. thx

MrZone is offline   Reply With Quote
Old 08-21-2002, 05:10 PM   #2
Scooby Newbie
Member#: 16071
Join Date: Mar 2002
Location: Daly City/Los Altos, CA
2005 G35 Sedan
Twilight Blue


Here check this thread:


stevedood has some answers/comments
tnmn28 is offline   Reply With Quote
Old 08-21-2002, 05:10 PM   #3
Homicidal Maniac
Member#: 1612
Join Date: Jun 2000
Location: Austin, TX
2008 STI


I tapped mine myself and just wrenched it into place. No locktite or anything. It hasn't come loose at all. One point of note though, I bought and used a tapered tap. This means that the hole at the outside is larger than the hole on the inside. I think you are fine with it being threaded in and torqued down decently, just make sure that they use a tapered tap.

And don't forget, the GReddy EGT bung uses a 1/8" BSPT-28 thread, not a standard NPT.

stimpy is offline   Reply With Quote
Old 08-21-2002, 07:48 PM   #4
Scooby Specialist
Member#: 20
Join Date: Jun 1999
Location: New York

Stimpy is right on the $$.

And we don't use loctite either....wouldn't hurt I suppose, but I ahve yet to find it necessary
adam99rs is offline   Reply With Quote
Old 08-21-2002, 08:02 PM   #5
Scooby Guru
Member#: 22825
Join Date: Aug 2002
Chapter/Region: NWIC
Location: Seattle, WA

Anti-seize wouldn't be too bad of an idea though.
teiva-boy is offline   Reply With Quote
Old 08-21-2002, 11:07 PM   #6
Scooby Specialist
Member#: 14979
Join Date: Feb 2002
Location: Columbus, OH
2002 WRX


I wouldn't do that.
WizardBlackWRX is offline   Reply With Quote

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