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Here's some help to better understand NASCAR

Don't know your drafting from your wedge? Just check out this glossary of racing terms so you can follow along in any conversation about NASCAR.

Updated: April 7, 2008, 5:31 PM ET

"The car checked out fine in the dyno, but it might not make any difference with the bear grease on the track. Throw in some dirty air, and all you can do is hope the scuffs and 200 mph tape will help the machine run flat-out."

To the serious race fan, the preceding statement makes perfect sense.

It translates to a car going through a dynamometer, which measures an engine's horsepower, racing on a track that has utilized patching material to fill cracks and holes (bear grease), and ...

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