C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Adhesive Question

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Old Jul 28, 2018 | 10:13 PM
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….. What to use to glue the magnet into the oil pan drain plug ? … Obviously immersed in oil … sometimes HOT oil … I was thinking red Loctite but thought I'd check with y'all first ! …..


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Old Jul 28, 2018 | 10:56 PM
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Originally Posted by C409
….. What to use to glue the magnet into the oil pan drain plug ? … Obviously immersed in oil … sometimes HOT oil … I was thinking red Loctite but thought I'd check with y'all first ! …..

I don't think "standard" red locktite will get it done. It's high strength not high heat.
I would use a hi heat two part epoxy adhesive, like JB Weld.

You could also try a product called Rockset, it's used by gunsmiths as a hi-temp threadlocker/adhesive for flash suppressors mounted on gun barrels.

https://www.brownells.com/gunsmith-t...prod54624.aspx

Last edited by mako41; Jul 29, 2018 at 10:19 PM.
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Old Jul 29, 2018 | 03:03 AM
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Do you really need an adhesive? Doesn't the magnet hold itself into the steel drain plug?

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Old Jul 29, 2018 | 04:43 AM
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JB Weld
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Old Jul 29, 2018 | 08:18 AM
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Originally Posted by Hot Rod Roy
Do you really need an adhesive? Doesn't the magnet hold itself into the steel drain plug?

….. It does … UNTIL a more attractive draw comes along … like when you remove the plug from the pan and find the magnet stuck to the bung it just came out of … that's how I discovered the issue … I'd really rather the magnet and plug were better bonded …..
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Old Jul 29, 2018 | 09:14 AM
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You should just buy a new magnetic drain plug. They’re only about $5 at the parts store. The adhesive will probably cost more and probably won’t work. Just my $0.02.

Regards,
John
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Old Jul 29, 2018 | 09:36 AM
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If you use an adhesive of any thickness you may not be able to push the magnet into the hole. Also, don't put any adhesive into the hole before inserting the magnet.
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Old Jul 29, 2018 | 09:54 AM
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Small drop of JB weld?
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Old Jul 29, 2018 | 10:27 AM
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NOT to hijack this conversation, but what size plug (mm/inches) fits my stock oil pan in a 1996 LT1? What's a good quality magnetic brand to buy?
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Old Jul 29, 2018 | 11:10 AM
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Originally Posted by WhiteC1
You should just buy a new magnetic drain plug. They’re only about $5 at the parts store. The adhesive will probably cost more and probably won’t work. Just my $0.02.

Regards,
John
the RIGHT answer !
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Old Jul 30, 2018 | 12:38 AM
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You could "dimple" the top of the drain plug in a few places around the magnet with a sharp center punch to retain the magnet in the plug.

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