Put a "big bolt" governor under the carburetor and set it to 60mph.
Bring all the original brake system, steering, and suspension parts up to new condition.
Original style color-coded electrical wiring is availble at a reasonable price from several vendors (Classic Parts, for sample).
Install LT radial high profile tires on the original wheels.
Lap belts are easy to install.
Make everything else look as close to new as you can afford.
Safe & Classy (for your precious daughter)
