leak down

[Bernie Benz]

20 / 30% of what? Makes no sense!
Did you do a compression or leak down tests on the engine?
Oil usage? Why the valve stem seals?

Bernie


On Sep 27, 2010, at 6:56 AM, feelstranger wrote:

> Folks, mech. doing my valve seals indicated he's seeing 20-30% loss  
> while pressurizing the cylinders to hold the valves in place.  Said  
> he could hear it hissing out the dipstick tube.
> How bad is that level of loss?
> Car has 191K miles on it, and there was some scoring on the cams,  
> and visible wear on the cam sprockets.
>
> Nat
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