The Secrets of the Engine (3)
Before Speed can activate the chamber he must go a speed of 820 miles per hour. After he does this the chamber won't work until they make a special cloth. When Chesko and Conor do this Speed enters the Mid winter race. Speed realizes that the chamber will only work when it has air, so he chooses to use the air in his car to power the engine. He wins the race and returns to the track with only a little air left. In the end, Chezko turns out to be Speed Racer Sr.'s engineer, Sparky. X decides to go pro, which would mean leaving the school. Speed Racer Sr. finally reveals himself to his son, Speed. This episode features the voice of NASCAR racer Jeff Gordon, who plays Turbo McCalister.
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