what size thread on an O2 sensor bung?

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maytag
Posts: 1789
Joined: Mon Oct 19, 2009 9:22 pm
Your car is a: 1976 124 spider
Location: Rocky Mountains....UTAH! (Not Colorado)

what size thread on an O2 sensor bung?

Post by maytag »

Specifically the one on Mark's header...... ??
I'm no Boy-Racer..... but if I can't take every on-ramp at TWICE the posted limit.... I'm a total failure!
narfire
Posts: 3959
Joined: Sat Dec 27, 2008 2:14 am
Your car is a: 1980 124 spider
Location: Naramata B.C.

Re: what size thread on an O2 sensor bung?

Post by narfire »

The thred on the plug I have is 1.5 mm and the diameter of the threded portion was the best I could read was 17.75mm (18MM?)
It fits just right into the O2 port on the FI cast manifold. Did the same on the headers I have (Ansa headers)
80 FI spider
72 work in progress
2017 Golf R ( APR Stg. 1)
2018 F350 crew long box
So Cal Mark

Re: what size thread on an O2 sensor bung?

Post by So Cal Mark »

yep, same size as a spark plug
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maytag
Posts: 1789
Joined: Mon Oct 19, 2009 9:22 pm
Your car is a: 1976 124 spider
Location: Rocky Mountains....UTAH! (Not Colorado)

Re: what size thread on an O2 sensor bung?

Post by maytag »

got it. gracias!
I'm no Boy-Racer..... but if I can't take every on-ramp at TWICE the posted limit.... I'm a total failure!
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