as described.....this stuff works when pushing coolant into crank case or combustion chambers but maybe not when pushing combustion gases into cooling system which is common on subaru 2.5 ....but worth the extra cash when compared to other cheap miracle cures that can cause lots of restriction problems elsewhere in cooling systems.

I have had this watch for a week now and not only am I impressed but other as well. When the see a Fossil watch that is also smart they are blown away. I had before this watch the original black screen Pebble until it died :( and the upgrade to this was well worth it. I will breakdown the experience into two: Pros and Cons