47% increase in fuel economy

[BangkokDean]

Find out how you can inexpensively downsize your engine for better emissions and a 47% increase in fuel economy!

https://www.youtube.com/watch?v=X9vZLYMoTCQ&feature=em-subs_digest

 

[mrvette]

Instead of a 1 liter engine, they should do it was a minimum 2 liter engine....

:bounce::bump::rofl: