[200q20v] carbon on spark plugs

C1J1Miller at aol.com C1J1Miller at aol.com
Thu Apr 19 22:07:22 EDT 2001

In a message dated 4/19/01 4:13:16 PM Eastern Daylight Time, 
omllenado at hotmail.com writes:

> I cant believe that the model of the car/engine/20V or 10V will be a factor
>  to why a plug gets carbonized.
>  yes its a 10V and i dont drive a 91 200q 20V, ...just a '89 200.  sorry me.
>  Oliver

* totally different injection system (CIS versus Motronic electrically 
activated injectors);
* centrally located spark plug surrounded by 4 valves, versus side plug;
* higher static compression;
* higher stock boost levels;
And, the 20vt calls for an entirely different spark plug.

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