Inline four-cylinder engine cutaway.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...y_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...er_cutaway.jpg
Previously:
https://www.homemadetools.net/forum/...216#post169105
https://www.homemadetools.net/forum/...733#post174798
https://www.homemadetools.net/forum/...157#post168847
https://www.homemadetools.net/forum/...962#post171693
