Chrysler supplied the turbine car for this movie in order to build up interest in their turbine project car.
Pamela Tiffin said she hated doing this movie because the studio forced her to pose in bikinis and high heels to promote it which she thought was ridiculous.
When Chuck (Doug McClure) allows for a one second throttle lag, when he calculates the quarter mile time for the jet car, this may be true, but a drag racer would compensate for this by trying to launch early to allow for the lag time.