I should known that.
3 seconds sound clip from The Danny Kaye Radio Show - "A Baby From Washington" (3.02.1945).
You can hear this line at 00:10:23 in the radio play.
Quote context
[...]
- Come on, I'll run you back to the hotel.
- Here you are gang, step into my private car.
- Private car? That looks like a Pabst Blue Ribbon Beer Truck to me.
- Well, you don't think a man in my position would drive anything else, do you?
- Holy smoke. Look at the size of that truck. How many barrels does it hold?
(Step on starter no motor noise)
- Gosh, this motor's smooth. You can't even hear it.
- Yes, that motor's as smooth as Pabst Blue Ribbon, except that you'll hear plenty about that.
[...]