i used this additive once.. while putting in the oil, temp meter was put inside the a/c vent (inside car) with the a/c switched on earlier.. after about 1 min, i saw temp dropped 2c lower than before using the additive..

---

Added on May 11, 2010, 11:52 pmonly rm28 per can.. did at a/c shop..

This post has been edited by wandzul: May 11 2010, 11:52 PM