This article is within the scope of WikiProject Automobiles, a collaborative effort to improve the coverage of automobiles on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.
Should it say "three basic sizes", or should one of the four sizes be removed? I don't know anything about this engine prior to reading this page, but I noticed this error. Pik d 01:33, 19 April 2007 (UTC)