Bosch spark plug deciphering

[David]

Lack of a knock sensor? Colder plug would be less suceptable to pinging...

Dave
>
> From: Ti Kan <ti at amb.org>
> Date: 2003/05/01 Thu PM 10:41:38 EDT
> To: bradym at sympatico.ca (Brady Moffatt)
> CC: quattro at audifans.com (quattro),  urq at audifans.com (urq)
> Subject: Re: Bosch spark plug deciphering
>
> Brady Moffatt writes:
> > Is a 7 a hotter plugs than a 6 in Bosch-speak?
>
> Yes.  The Bosch WR7DS for example, is a hotter plug than the WR6DS.
> BTW, Audi specifies a "6" plug for the UrQ 10VT but a "7" for all
> the type 44 10VT engines.  I wonder why the UrQ needs to run a colder
> plug than the type 44?
>
> -Ti
> 2003 A4 1.8T multitronic
> 2001 S4 biturbo 6-sp
> 1984 5000S turbo
> 1980 4000 2.0 5-sp
> --
>     ///  Ti Kan                Vorsprung durch Technik
>    ///   AMB Laboratories, Sunnyvale, CA. USA
>   ///    ti at amb.org
>  //////  http://www.amb.org/ti/
> ///
>
>