Monster Diesel Fuel Additive

[mechtech2]

This stuff sounds too good to be true.
http://www.monsterdiesel.com/faq

About 10% more power, economy, and no need for the more expensive #1 winter fuel. Cleans things, too.

I think it might be for real.

 

[SteveSRT8]

Actually it's re-packaged Kreen!

 

[BobFout]

I used it for a few tanks, never noticed anything. (unlike Stanadyne, PS, MMO, 2-cycle, Howes etc)