please explain in detail when it miss-fires... which rpm, load, if you rev it in N ?

Cheers
Horst

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a bit about my work and my craziness...
some of my projects...

http://www.evo-me.com/carreviews/cargrouptests/99/oneonly.html
http://www.carmiddleeast.com/article-2-37-Audi_R888_Devil_is_in_the_detail/2
http://www.worldcarfans.com/9071227.005/kleemann-ml63k-bi-turbo