I actually don't know much about it because I haven't had to do anything to it.
And I know the Ford inline six in an ancient engine.
I just didn't realize the Japanese inline fours were also old (in their origins).
“Travel is fatal to prejudice, bigotry, and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome, charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime.”