Facing the front of the engine, the fan turns clockwise.
So, in order to pull air thru the radiator, the leading edge(right side, looking at the top blade from the front of engine) of the blades must be towards the radiator.
You can easily see this by looking at the blades of the fan in this Ebay pic.
Haven't figured out why Ebay links will work on all the other Pontiac forums, and Facebook pages, but will not work on this one particular site. Anybody know why, how to fix it, & why it hasn't already been fixed ? It's quite annoying.
OK, try this pic. It's a flex fan. You can see that the leading edges are flat with the mounting surface, and the blades are curved back towards the engine, so that, when turning clockwise, it will cut thru the air and direct it back towards the engine.
Was just curious as to what engines turned counterclockwise. Seems that some pre-2000 Honda 4-cyl engines did, as well as the Corvair engine, and some marine engines. Even says that Smokey Yunick made some of his circle track engines run counterclockwise, to gain an advantage.
