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tapping a cast iron manifold

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Old

Mar 30, 2007 | 07:39 AM

#1

rsylvstr

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Cargo Master

Joined: Dec 2006

Posts: 3,489

Likes: 45

From: Central NY

tapping a cast iron manifold

stripped the O2 sensor hole in my Galant with a cast iron manifold...will helicoil work or are we wasting our time?

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Old

Mar 30, 2007 | 08:03 AM

#2

Torque1st

Posting Legend

Joined: Sep 2001

Posts: 30,255

Likes: 37

A helicoil will work, If I remember right it is the same size as a spark plug. So will drill and tap for a pipe plug then drill and tap for the O2 sensor. I have done both. The helicoil is obviously quicker.

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Old

Mar 31, 2007 | 01:34 AM

#3

Ford_Six

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Joined: Oct 2002

Posts: 18,488

Likes: 22

From: The Big, Oregon

Club FTE Gold Member

Helicoil will work if there is enough thickness to handle it. You might be better off plugging off that hole, and having a fitting for the sensor welded into the pipe just below that.

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Old

Mar 31, 2007 | 07:10 AM

#4

rsylvstr

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Cargo Master

Joined: Dec 2006

Posts: 3,489

Likes: 45

From: Central NY

thanks guys, he was able to just tap it!!!! it's a single wire O2 sensor, so it's near worthless anyway...been driving around with a bolt for a week and she runs great.

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Tags

cast, helicoil, iron, manifold, oxygen, pipe, sensor, tap, tapping

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