When it comes to improving fuel economy, my overall goal has been to increase the efficiency of an engine. Recently, I came across a process known as WPC engine treatment which in summary, is micro-shot peening. Much like conventional shot peening, it makes the metal part stronger, while adding micro-dimples that act as oil reserves to the piece. This inherently makes the part slicker, whereby reducing friction.
My question to everyone is this; would increased friction add to fuel economy?
WPC - Metal Surface Treatment
http://ep.yimg.com/ty/cdn/twincamtec...011pricing.jpg