On Sat, 25 Jul 2009 10:13:15 +0930, "mark krawczuk"
wrote:

... i had a saab turbo , put a
set of std type platinum plugs , 2 weeks later , it developed a miss ,
changed overto ngk`s not a problem , after heated talks with bosch , even
they admitt their platinum etc.... style plugs arent taht good !!

But all (us) Saab Turbo owners know that you should only use NGKs!