BMW 2002 FAQ

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[quote="slash02notloggedin"][quote="jimk"]Other than lowering the CR and inhibiting the exhausting of gases from combustion chamber by the dead space in the pockets, I see no advantage unless somebody got his smiles doing an exercise in seeing how deep do go in making the blind holes without piercing through to the water jacket and weakening the head causing thermal expansion stress risers to induce cracking.
There are sure a lot of wet dreams on this board lately. Like there is a belief that is how equipment is seat of the pants engineered and produced for a reliable product.[/quote]

An old german guy I know saw that head and commented that messerschmidt had a similar thing at one point in a WWII plane engine, he had seen it anyway. A few other old old school aircraft guys have also seen it.

I tend to agree with you that, most likely this mod isn't going to do much, but there's only one way to find out, side by side dyno testing with otherwise identical engines. Like that is going to happen. This head was run and was working on a pretty pimped out 2002, high compression engine etc, and the owner never ran into troubles with the head apparently.

it's mainly an oddity in my eyes. I think if this technology was really solid we'd see it on F1 engines.

Also, I dont hold the belief that any of our stuff is "seat of the pants engineered" however I do realise that car manufacturers have to balance mass production as well as producing a reliable engine. Maybe this mod works wonders but as you said weakens the head and eventually it'll crack! who knows.  Great part about this Faq forum is we can throw stuff like this out there and see what everyone thinks[/quote]

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