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We had a "discussion" about different types of spark plugs.

We found some American made Gentas, designed for slow moving engines.

What exactly (!) mean this?!?!

Slow moving of what?
The whole vehicle?
The crank?
The ignitions speed of the fuel/air mix?
The...

Turn up the sound...
http://www.rustyiron.com/engines/stable ... movie.html

Housil, I think these sparks are for this kind of engines:

en.wikipedia.org/wiki/Wärtsilä-Sulzer_RTA96-C

Spark plugs for a diesel?

Diesels don't use sparkplugs, only glowplugs