RE: O2 threads

[Mike Rolica <mrolica@meridian-mag.com>]

BTDT.. fits but because of the taper of npt...they are a bastard to remove
after 10k miles...carbon gets in threads,, clogs up...ect ect..
Mike Rolica
Plant A,
Magnesium Products Division
Strathroy

(519)-245-4040  Ext. 244



	-----Original Message-----
	From:	Squash [SMTP:realsquash@yahoo.com]
	Sent:	Wednesday, August 16, 2000 12:05 AM
	To:	gmecm@diy-efi.org
	Subject:	RE: O2 threads

	It might fit, but it is surely not a pipe thread.

	Squash

	--- "J. T. Spilman" <jtstexas@home.com> wrote:
	> Very timely. I stripped my O2 bung on the header and had to get a
tap. The
	> salesman at the Bolt store took one look at the O2 sensor and said
that is a
	> NPT 3/8" pipe thread.(He says this is a standard pipe plumbing
thread.) I
	> bought the tap and screwed the O2 sensor in after chasing the
threads in the
	> header with the tap. Works great.
	> 
	> regards
	> J.T. Spilman
	> 
	> -----Original Message-----
	> From: owner-gmecm@diy-efi.org [mailto:owner-gmecm@diy-efi.org]On
Behalf
	> Of Roger Heflin
	> Sent: Tuesday, August 15, 2000 3:40 PM
	> To: gmecm@diy-efi.org
	> Subject: Re: O2 threads
	> 
	> 
	> 
	> 
	> On Tue, 15 Aug 2000, Bruce Plecan wrote:
	> 
	> > GM O2 sensor, what size are the threads?.
	> > 14mm is too small, 16 or 18?.
	> > Bruce
	> > Got 4 irons in the fire, two of which are about hot.
	> 
	> 18x1.5 same size as a large thread spark plug.
	> 
	> I happen to have a helicoil kit in just that size, because I
stripped
	> one of mine.
	> 
	> 			Roger
	> 
	>
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