Yes as the coolant can work into the gasket causing leaks I always run mine for
a week or so before adding coolant.Some of the coolants sort of eat into the
gaskets thermostat gaskets seem to be worse.
Cheers Andrew
Anthony Tuting wrote:
> I didnt think this personally but I heard that when you do a head gasket you
> should run it with just water first and then add coolant after a day or too
> of running. Has anyone heard of this before?
>
> Ant
>
> From: "mark krawczuk" <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> To: <[EMAIL PROTECTED]>
> Subject: Re: Copper gask. sealing probs??
> Date: Sun, 23 Sep 2001 06:32:01 +0930
>
> -----Original Message-----
> From: steven.taylor <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
> Date: Sunday, September 23, 2001 4:22 PM
> Subject: Copper gask. sealing probs??
>
> >Hey,
> >Im in a not too impressed mood at the moment as ive just spent all
> >yesterday rebuilding my z18 using a ridgecrest 2mm copper head gasket. I
> >had the head machined and o-ringed, and i used 3 bond sealer around the
> >water and oil holes etc. Anyhow i finished it off today and started it
> >up only to find that coolant is slowly dripping from the exhuast side
> >between the head and the block!!!
>
> hi, that is incredible, on my l20 with z18 head, i used a ridgecrest
> 2mm
> copper gasket, and guess what it is also leaking coolant out of the exhaust
> side!!!!!!!
> in the beginning, when i was ringing up ridgecrest about the gasket they
> said to use three bond as well, then i said what about hylomar? they didnt
> even acknowledge that i said it.
> so what i am gonna do now is , take the head of again, clean it all up then
> get some hylomar in a sprayable can, and give it a really good coat , and
> hopefully it will be ok.
>
> hylomar is a blue colored sealant,..... it is non silicone and comes in a
> tube and a spray can.
> i know that rolls royce use it, and i think that it is madeby/or under
> liscence by them as well.
> it is especially made to use on head gaskets.
>
> seeya, mark krawczuk
> ps. ridgecrest said to put it around all the oil and water holes, not
> over the whole head gasket, which i done.
> maybe , i think that if it was put over the whole head gasket it would
> be better sealing,..
> even though the seallant would only be bugger all thick after the head
> is
> tightened down , i think that this is the problem putting it down in
> certain areas, cause instead of having a even coat over the whole surface
> area, it is only in certain spots ,, and you would have a layer of three
> bond then head gasket, and not giving a complete flat tightening...
> do you get what i mean?
>
> mark k
>
> _________________________________________________________________
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>
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