The post was best fan for the cheapest price...we haven't had problems with the HHR, but we also don't have a big block A/C car with a tiny grille opening. Ours has lots of air flow coming in from the front, and plenty of circulation in the engine bay.

For $50 we were willing to give the HHR fan a try. We also needed a fan for our engine test stand. We figured if it didn't work on the Challenger it would go on the stand.

Our Dart still has its stock cooling system, which works so well we have trouble sometimes getting it UP to optimum operating temp. I would go that route rather than drop big money on an electric fan, but that's just me.