Oil on spark plugs [ re. Plug Wires ]

[John Lagnese]

That's when they start to leak


-----Original Message-----
From: Bernie Benz [mailto:b.benz at charter.net] 
Sent: Monday, November 23, 2009 11:39 PM
To: John Lagnese
Cc: 200q20V mailing list
Subject: Re: Oil on spark plugs [ re. Plug Wires ]

Is brittleness significant? I think not. Maybejust lost all of its  
applied compressive clamping force.

Bernie


On Nov 23, 2009, at 8:29 PM, John Lagnese wrote:

> That gasket must be quite brittle.
>
> -----Original Message-----
> From: 200q20v-bounces at audifans.com [mailto:200q20v- 
> bounces at audifans.com] On
> Behalf Of Ben Swann
> Sent: Monday, November 23, 2009 10:21 PM
> To: 'Bernie Benz'
> Cc: '200q20V mailing list'
> Subject: Oil on spark plugs [ re. Plug Wires ]
>
>
> I found oil in several of the spark plug holes when I removed the  
> wires.
> When I removed
> the plugs, there was a generous coating of oil on the threads and  
> plug in
> general.  I
> don't know if the oil was from the hole or actually from inside the
> combustion chamber.
>
> From my best guess, the oil came in through the valve cover gaskets  
> round
> rubber rings
> that separate the cam cover from the head.  I had been running 3  
> bar since
> last fall and
> up to 25 PSI prior, so perhaps there is additional pressure getting  
> in the
> cam cover.
>
> The engine had developed a miss that at first was barely noticable and
> progressed to
> generally poor driveability overall. The cleanup of oil and plug  
> swap has
> engine running
> great again.
>
> I am wondering if this is typical  - engine has about 140k miles on  
> original
> valve cover
> gasket.
>
> Ben
>
> -----Original Message-----
> From: Bernie Benz [mailto:b.benz at charter.net]
> Sent: Monday, November 23, 2009 10:11 PM
> To: Ben Swann
> Cc: 200q20V mailing list
> Subject: Re: Plug Wires
>
> Oil getting in where?
>
> Bernie
>
>
> On Nov 23, 2009, at 4:16 PM, Ben Swann wrote:
>
>> FYI - thought I had scored the "deal", but as kind of expected, the
>> wires I received were for a 10V.  Still a good buy, but I did not  
>> need
>> another new set of these. Might have one set to sell.  I'll probably
>> just return since wires do not appear to be bad.
>>
>> The rotors also were incorrect - I think we expected that.
>>
>> Plugs are right on - not the original Bosch, but these look every bit
>> as good and I had NKG similar ones before.  I found a lot of oil
>> around several plug wires, and electrodes coated with oil,  
>> cleaning up
>> the old plugs  did the trick to get rid of hesitation problem I had,
>> but installed the new ones.
>>
>> Should be correct cap, but was sent in separate shipment, so don't
>> know yet.
>>
>> Also, I failed to mention the order was from RockAuto.com
>>
>> Now I need to figure out why so much oil is getting in there - I
>> suspect coming through the valve cover gasket.
>>
>> Ben
>
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