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General => Technical | How To => Topic started by: Stig / Major Tom on February 17, 2020, 02:16:09 PM

Title: anti-seize, thread-lock - when/where?
Post by: Stig / Major Tom on February 17, 2020, 02:16:09 PM

I like this guy's tips on when & where to use these products.
https://www.youtube.com/watch?v=RIj_wjUDcAc (https://www.youtube.com/watch?v=RIj_wjUDcAc)


and, what about spark plugs?
"NGK, Autolite, Champion, Bosch, Denso, AC Delco, all advise not to use anti-seize with their modern coated spark plugs"

Stig
Yeah, still waiting on a break in the weather...

Title: Re: anti-seize, thread-lock - when/where?
Post by: CROSSBOLT on February 17, 2020, 07:01:09 PM

Anti-seize, the silver stuff, used for decades in aero engine sparking plugs to ensure succeful removal from the aluminum whilst leaving threads intact. Must admit the WWII plug shells were phosphated (black) steel and would be rusty at first 25 hour maintenance cycle and firmly, permanently in the cylinder head! Modern sparking plugs do have nearly bullet-proof plating.

Threadlocking compound by Loctite claims reduced locking ability up to three removals, if I recall their hype correctly. I always considered that as an emergency back-up idea and just dribbled more stuff on the threads during reassembly.

Title: Re: anti-seize, thread-lock - when/where?
Post by: JJJoseph on February 27, 2020, 10:48:09 PM

Always use this stuff on the bolts & acorn nuts attaching the exhaust to the cylinder head

Title: Re: anti-seize, thread-lock - when/where?
Post by: mousejunks on February 28, 2020, 12:44:30 AM

Don't forget brake calipers