Sure dude i got it at pep boys. It comes in a Blue box with a picture of an engine block or something. BAsically i used it because i felt that after 11 years of sitting and driving the z is likely to have some deposits. And even though i ren synthetic oil the last 15,000 miles i still got a LOT of crud out of the engine. The stuff is really good. Also the lifter tick at start up the lasted for 2-3 seconds told me there is a problem with instant oil flow. Well it's cured now.
