FeedBot
07-06-2011, 12:00 PM
A dual overhead cam twin with four valves per cylinder back in 1913? Believe it or not, it was realized in the 500cc 1913 Peugeot Grand Prix.
More... (http://www.motorcycleclassics.com/motorcycle-reviews/1922-peugeot-grand-prix-racer.aspx)
More... (http://www.motorcycleclassics.com/motorcycle-reviews/1922-peugeot-grand-prix-racer.aspx)