Auto Racing Glossary
Compiled By Dale R. Black
Owner – Blacktop Racing

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acceleration – An increase in speed which occurs when the throttle is applied or by using gravitational force going downhill until terminal velocity is reached.

accelerator – The gas pedal.

altered - A class of drag racer that starts with an automobile body and can then be modified in almost any manner.

apex – The ideal point in a turn which the driver should hit between turn-in and track-out to achieve the fastest line through the turn.

armco - Guard rail that is strategically placed around a race track to improve safety for racers and spectators.