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One of the electronic countermeasures against ETC used by NASCAR is this $1,800 Microphonics ultrasonic listening device. It’s used to monitor engine rpm frequency and detect when power is being degraded to assist traction.
The Electronic Traction Control Genie

 One of the electronic countermeasures against ETC used by NASCAR is this $1,800 Microphonics ultrasonic listening device. It’s used to monitor engine rpm frequency and detect when power is being degraded to assist traction.  View Related Article

 

 

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