Re: [alfa] Plugs again

["Gwynne W. Spencer" <gwynnes1@xxxxxxxxxxx>]

I am the person that described the problems with Bosch Platinum +4 plugs in 
BMW engines.

If you would take the time to review my posting, you will find that nowhere 
in it did I say or suggest that the plugs "lunched " the BMW engines. In 
fact the incidents were truly amazing in that the plugs were missing bits 
and pieces, but the engines wre undamaged- at least enough so that when the 
proper Bosch (or NGK) plug was installed to replace the broken +4 plugs, 
the engines ran just fine!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Gwynne Spencer

At 05:51 PM 6/17/2004 -0600, you wrote:
>Running unleaded fuel the perfect plug should have a soft brown deposit. 
 >From the V6 I get soft brown tinged with sooty carbon as my Plugs are 
>airly cool. After hard running they turn powdery brown, after lots of city 
>driving they tend to get a little sooty looking.
>
>Correct heat range plugs are essential to avoid burned valves, busted 
>plugs, holed pistons, even cracked heads. Premature ignition from 
>excessively hot plugs can be as damaging as detonation from other causes.
>
>As for the allegations that Bosch plugs are lunching those BMW engines, I 
>think that unlikely. More likely the engine is lunching the plugs and the 
>bits are flying off the plugs because some dumb ass has recommended or 
>installed the wrong plug.
>
>Mind you, BMW does make some crappy engines, as does Mercedes Benz, and 
>everyone says they are wonderful. The emperor has no clothes and BMW/Merc 
>engines are no better than most quality Euro engines. Jap engines are 
>generally unbreakable, but tend to be a trifle dull.
>
>Cheers
>
>Michael
>
>
>Michael Smith
>White 1991 164L
>Original owner
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