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Head bolt/stud sealer

Ben Simpson, what do you recommend as the best sealer to use on the head studs that protrude into the water jackets when rebuilding a Holden red/blue six?

Cheers, Mick.

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Thanks Snow.

Cheers, Mick.

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i dont use the genuine sealer for several reasons its a: too expensive and b: dries fairly hard which makes it hard to clean up if we need to do repairs at the track in a rush. for this reason, on race cars i use grease which seals water ok, on road cars permatex #3 non hardening.

i also select good used bolts as many are corroded now, if i have no good ones i use new CAT bolts and hardened washers which are inexpensive and excellent quality, works out about $30-odd/set

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Agree with this, genuine sealer is way overpriced and it's no magical substance. Have used Permatex number 3 for years on many rebuilds with no issues.

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Thank you.

Cheers, Mick.

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Thanks Ben.

Cheers, Mick.

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It's been a while since I've bought a tin of gmh bolt and gasket sealant, the last one from 10 years ago is still going strong... love the smell of the stuff and it seals like nothing else, it just hangs on too well when it comes time to tear things down and clean up surfaces.
for things that aren't likely to be serviced for the life of the engine like an oil pump and oil pump pickup.
I still love using it on head bolts because I have complete confidence in it.
Having a tap and die set on hand to clean up the threads before reassembly is a must.

When you blokes say it's too expensive, what's a tin of it now?

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one very sucsessfull fisherman.

about 5 years ago it was well over $60.

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That's pricey !, good thing a tin goes a long way and has good shelf life.

It smells exactly like the glue that came with models, or even dope that you painted on model aeroplane wings.
I wouldn't mind betting that there's an equivalent product out there at a more affordable price.

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one very sucsessfull fisherman.

Eighty Four notes at local Bursons store the other day.
Not a big tin either.
No doubt a good product but would probably be like most other products I buy in tubes and bottles,
be dried up by the time I needed to use it a second time.

Cheers, Mick.

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I've only ever had 3 tins of it over 35 years, never run one out. The first tin was my dads and it got lost in a move, the second got stolen in a robbery & this is the third tin of it.
Highly recommended for screw in studs as well as head studs. I've also used it carefully on fuel lines.

Part No & cost here
http://gallery.oldho...

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That is a fair bit cheaper.
I will check out the local Holden dealer here and see what their price is.

Cheers, Mick.

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