So pedantic. In context, opposing pistons in the diesel engine above meant that they face each other. Heads on a boxer engine don't face each other, so I wouldn't call them "opposing heads". Yes, boxer engines are also "horizontally-opposed cylinder engines", but that diesel above is not a "boxer".
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Not being pedantic at all there brother. Boxer engines are based on opposing pistons moving in opposite directions based on that the cylinder heads are opposed.
That is where you had me confused and I even said in my post I believe our definitions might just be different adding to the confusion.
I questioned the boxster vs boxer because as I admitted I know nothing about those things.
Anyway
