World’s Smallest Functional 4-Cylinder Engine
October 20th, 2007 
Here’s the world’s smallest functional 4-cylinder, 4-cycle, spark ignition engine. No information or video provided for this. Check out more pictures after the jump.
[via Techeblog]
that’s verry nice dude you do a good job for this. i really like it verry much & feels verry happy to see that.