<VV> Leak Down Testing for bad head gasket

[MarK Durham]

Rich, if you have a cylinder with low compression and you are hearing a
cssttt tpye of sound for each compression stroke chances are you will see
some leakage at the top of the low cylinder where it meets the head. That
could be anywhere around the circumference of the cylinder. Also, have you
checked head torque on all the head bolts?
Mark Durham Hauser Idaho
On Sep 25, 2014 11:27 AM, "Dixon, Richard via VirtualVairs" <
virtualvairs at corvair.org> wrote:

> Hi, Can anyone please tell me what areas to focus on (listen/look)  at
> when conducting a cylinder leak-down test to determine if the engine has a
> bad head gasket?
>
> This would be on a running, installed 110 HP motor in a 1966 LM coupe.
> Thanks.
>
> Rich
>
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