Good Luck
o2 sensor help
Thread Starter
Instructor
Joined: Nov 2012
Posts: 214
Likes: 7
From: Long Island
o2 sensor help
Hi all, finally got my apparently original o2 sensors out of my 94 lt1 6 spd. Had to use heat and other methods to get the drivers side out and in doing so I think I messed up the threads, as the new one won't thread in. I've heard of thread chasers but don't have any. Is this my only option? If so what size? I can't weld so a new position is out. Any help would be appreciated. Thanks.
Safety Car
Joined: Aug 2002
Posts: 3,842
Likes: 230
From: SANTA CRUZ CA
Thread Starter
Instructor
Joined: Nov 2012
Posts: 214
Likes: 7
From: Long Island
Melting Slicks
Joined: May 2010
Posts: 2,082
Likes: 3
From: Conowingo Maryland
If what you used did not work try a requler tap I think the threads are m14 just make sure I am right use spray lube work the tap in about 1 or 3 threads then back out a thread or 2 then repeat till ues are done with good thread.
Race Director
Joined: May 2008
Posts: 10,742
Likes: 629
From: Manheim Pennsylvania
Thread Starter
Instructor
Joined: Nov 2012
Posts: 214
Likes: 7
From: Long Island
I borrowed a tap and followed your suggestions, took a while because of inexperience I guess, but it worked. I really thought it was beyond repair. Thank you very much
Melting Slicks
Joined: May 2010
Posts: 2,082
Likes: 3
From: Conowingo Maryland
Burning Brakes
Joined: Nov 2010
Posts: 855
Likes: 36
From: Crystal Springs MS
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!
Verdad Gallardo
Top 10 Corvettes Coming to Mecum Indy 2026!
Brett Foote
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!
Michael S. Palmer
10 Revolutionary 'Corvette Firsts' Most People Don't Know
Joe Kucinski
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2
Michael S. Palmer
2027 Corvette vs The World: Every C8 vs Its Closest Competitor
Joe Kucinski
10 Most Common Corvette Problems of the Last 20 Years!
Joe Kucinski
5 MOST and 5 LEAST Popular Corvette Model Years in History!
Joe Kucinski
2027 Corvette Buyer's Guide: Everything You Need to Know!
Joe Kucinski
Burning Brakes
Joined: Apr 2009
Posts: 1,185
Likes: 33
From: Charlotte Michigan
Thread Starter
Instructor
Joined: Nov 2012
Posts: 214
Likes: 7
From: Long Island
The new ones each came with a packet of anti seize that I used. Had 2 different o2 sensor sockets, even broke a flare nut wrench. Soaked them for 2 days with PB blaster. They were definitely original, 20 years is a long time to be in there I guess.
Instructor
Joined: Oct 2010
Posts: 169
Likes: 0
From: Bayonne New Jersey
Would have been a prime opportunity to try the 50/50 acetone atf mix on those O2 sensors.
PB Blaster=ok. A 50/50 mix of acetone & ATF=Best Ever! Here's the cold, hard facts from the April/May 2007 edition of Machinist's Workshop. They did a test of penetrating oils where they measured the force required to loosen rusty test devices. Buy the issue if you want to see how they did the test. The results reported were interesting. The lower the number of pounds the better.
Penetrating oil . Average load .. Price per fluid ounce
None ................. 516 pounds .
WD-40 .............. 238 pounds .. $0.25
PB Blaster ......... 214 pounds .. $0.35
Liquid Wrench ... 127 pounds .. $0.21
Kano Kroil ........ 106 pounds .. $0.75
ATF-Acetone mix.. 53 pounds .. $0.10
PB Blaster=ok. A 50/50 mix of acetone & ATF=Best Ever! Here's the cold, hard facts from the April/May 2007 edition of Machinist's Workshop. They did a test of penetrating oils where they measured the force required to loosen rusty test devices. Buy the issue if you want to see how they did the test. The results reported were interesting. The lower the number of pounds the better.
Penetrating oil . Average load .. Price per fluid ounce
None ................. 516 pounds .
WD-40 .............. 238 pounds .. $0.25
PB Blaster ......... 214 pounds .. $0.35
Liquid Wrench ... 127 pounds .. $0.21
Kano Kroil ........ 106 pounds .. $0.75
ATF-Acetone mix.. 53 pounds .. $0.10