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When I got my Magnaspark, I skipped their 'drypack' coil and just kept using my old Bosch blue coil. It's still sparking 10 years later.
But, this is long after 'Bosch' meant 'made in the Fatherland'. Today, I think they're made in various mud huts in various third world countries.
Some online folklore I read a number of years ago said the best Bosch coils then available had the number 0 221 119 027 stamped on the bottom, and mine does. So, there's that.
I think the term 'drypack' is newspeak for 'damned if we're bothering to fill them with an oil bath like the originals had'.
Dunno if mine is filled with oil (for heat dissipation) or with that newer, cheaper plastic gel they use, but, as I say, it is still sparking.
And I'll mention in passing that it's mounted, not fashionably on the shroud like in the good old days, but in a cooler corner of the engine bay, back near the tail lights.