No, you're not.
4 seconds sound clip from the Days of Thunder movie soundboard.
You can hear this line at 00:10:25 in the Blu-ray version of the movie.
Quote context
[...]
- Let me drive. I won't make a fool out of you.
- Well, it might have been better if he cracked up the car.
- Thirty-one flat. That's good enough to take the pole in the last race here.
- Hell, I thought this was gonna be a joke.
[...]