[Healeys] 100-4 engine head gasket?

[Alan Seigrist]

Great suggestion Michael 😱😱😱

On Mon, Jan 25, 2021 at 10:45 PM Michael Salter <michaelsalter at gmail.com>
wrote:

> Maybe a bucket of BarsLeaks 🤣🤣🤣
>
> On Mon., Jan. 25, 2021, 9:28 a.m. 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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