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Manifold Stud Sealing

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Manifold Stud Sealing
John Mason Offline
Lifetime lover of car tinkering
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Joined: Dec 2017 Posts: 1,160 Threads: 68
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Location: Nottinghamshire. Robin Hood County
Car type: Austin Ruby Mk1 1935
#11
09-05-2024, 08:02 PM
I use Loctite black silicon seal on both manifold and head studs and never had any leakage problems. Just smear a little o the stud threads before screwing them in .

John Mason.
Would you believe it "Her who must be obeyed" refers to my Ruby as the toy.
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Austinitis Offline
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Joined: Jan 2019 Posts: 2 Threads: 0
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#12
11-05-2024, 10:15 AM
Medium strength loctite works for me
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John Cornforth Offline
Sevenner since 2002
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Joined: Aug 2017 Posts: 607 Threads: 19
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Location: Hampshire UK
#13
16-05-2024, 09:10 AM
Hi

Just to complete the story on this, I tried Permatex High Temperature Thread Sealer. A 6 ml tube is about £7 and is more than enough for the 7 studs. As this is an anerobic type compound, I took the precaution of fitting the manifold and tightening the nuts straight away so as to create narrow thread gaps and exclude air.

This has been completely successful

No doubt many things would work just as well, but it would seem that Wellseal is not suited.
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