In plain English, that's 30 thousandths on your spark plug
gapper. (.030) Close 'nuff.
At 08:19 AM 4/27/2007, you wrote:
The technical manual says .8mm gap -- or 0.03149 inch
good luck -
Later -
Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
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.
----- Original Message -----
From: "E M" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Friday, April 27, 2007 12:59 AM
Subject: Re: [MBZ] spark plug gap for M103 in an '88
> Hi Peter,
>
> Thanks for you help and the past few posts. I just quickly pulled a few
> plugs tonight, as I used the benz to run out a get parts for my other
> Mall-mobile, which broke it's timing belt while zipping down the highway
> last Sunday. The plugs are more a black than ash, but they aren't wet.
> Almost like a hard layer of black carbon. Funny thing is, on all plugs,
> one
> side of the electrode is much more "caked" and the other side, no too bad.
> I don't know the current weight of oil, but I think the car often ran a
> 10W
> or 15/40 in dino stuff. I only put about 150 miles on this oil, and it
> will
> be switched to a 20W/50 this weekend. I plan to keep a close eye on
> things. Geez, I love how easy it is to check plugs on a M103! :-) You
> can
> almost stand in the engine bay. You know, the dealer wanted 2 hours @
> $110
> per hour here for a leak down before I bought! Still trying to figure
> that
> one out as I've on them on cars that are much tighter.
>
> Anyway, thanks again for your help Peter.
>
> Regards,
> Ed
> 331,000 kms. Guess I'm getting there. :-)
>
> On 27/04/07, Peter Frederick <[EMAIL PROTECTED]> wrote:
>>
>> I think I knew that once, but I put in Bosch Platinum +4s, so don't
>> need to gap them. The platinum plugs can cause some idle roughness,
>> but work much better otherwise.
>>
>> New plugs will help -- and look for burn marks were the ignition wires
>> go close to metal, indicating that they are shot. They may be
>> original, the factory wires last a very long time.
>>
>> Ash on the plugs would indicate oil consumption, and that would be
>> valve guides or seals -- on an M103, guides.
>>
>> My 88 TE runs fine at 230,000 miles (head done at 160,000 by PO).
>>
>> Peter
>>
>>
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> _______________________________________
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> 3:23 PM
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>
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Loren Faeth
