Above area marked in yellow is the most feasible area to contain the device... the car is pretty compact 1:10 scale and most of the body is already packed with battery, motor and electronics, ect...

F1 Sound sample #1

F1 Sound sample #2

F1 Sound sample #3

F104 link

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In case it matters this car runs on a 7.4 volt 2 cel Lipo battery... the motor is a 540 brushless 21.5... single speed gearing...

bellow is rough :) measurements of the available space...