[Healeys] 100-4 engine head gasket?

[Michael Oritt]

Needless to say, if one is using the DWR AL head the steel head gasket
should also be installed as per their instructions.  I did this to my
engine in 2003 or 2004 and have never had to retorque the head.

Best--Michael Oritt

On Mon, Jan 25, 2021 at 10:04 PM <gradea1 at charter.net> wrote:

> I used this on all the 100 heads that I assembled with a copper gasket and
> so far no problems from any of them. It goes on very nicely and, if the
> head and block is in good condition, should do the job.  Hank
>
> SKU
> 48-52355-1
> ALT #:
> 64-52355
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> -----------------------------------------
> From: "Alan Seigrist"
> To: "Michael Oritt"
> Cc: "Healey list"
> Sent: Monday January 25 2021 6:55:32PM
> Subject: Re: [Healeys] 100-4 engine head gasket?
>
> Hi Michael -
>
> Sounds to me the smart thing to do is put in a steel head gasket because
> the head was rebuilt not that many miles ago, so I might have a low spot
> there.  The head is torqued correctly so that's not it.
>
> Best,
>
> Alan
>
>
>
> On Mon, Jan 25, 2021 at 10:27 PM Michael Oritt <michael.oritt at gmail.com>
> wrote:
>
>> Probably blown gasket at the 3-4 bridge.  My original head suffered from
>> erosion of the metal at the 1-2 bridge, allowing the gasket to blow.  I had
>> it built up enough to work for a while but eventually replaced the head
>> with a DWR AL model.
>>
>> Best--Michael Oritt
>>
>> On Mon, Jan 25, 2021 at 4:55 AM Alan Seigrist <healey.nut at gmail.com>
>> wrote:
>>
>>> All -
>>>
>>> My A90 just started running weird.  So I took a compression tester and
>>> I'm getting (note the A90 is lower compression than the 100):
>>>
>>> 1 - 135 psi
>>> 2 - 135 psi
>>> 3 - 60 psi
>>> 4 - 60 psi
>>>
>>> When I put the compression tester on number 3, I get blow back through
>>> #4 spark plug port.  Then when I put it on #4 I get blow back through the
>>> #3 spark plug port.
>>>
>>> Seems to me it's just a blown head gasket.... am I correct?  as far as
>>> I'm aware, these heads usually crack between 2 & 3, correct?
>>>
>>> TIA
>>>
>>> Alan
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