70s movie that has a lady race car driver detective

A group of people from different backgrounds have one thing in common: when they hear the world "gumball" whispered by one of the others, they know that it's time for the Gumball Rally: a no-holds barred, secret, winner-take-all rally across the USA.

Girl loves hot cars and a rich dragstrip racer. Her parents don't like either one.

A stripper infiltrates a ring of car thieves to avenge her murdered brother.

A driver and a mechanic travel around the United States hopping from drag strip to drag strip in a 1955 Chevy Bel-Air coupe. They race for money, betting with their competitors. The pair gains a young and talkative female stowaway. Along the way they unintentionally attract a well-to-do drifter driving a new Pontiac GTO. This older man, looking for attention, antagonizes their efforts.

A Scottish civil servant must learn how to drive a Bentley to impress his girlfriend's tycoon father.

Dany Longo is red-haired, beautiful, disturbed, passionate--and nearsighted. As she speeds through the south of France in a purloined Thunderbird on an errand for her employer and his wife, no one, including Dany herself, knows where she is headed--or why she is going there.

The alcoholic wife of a rich car racing champion persuades a young driver to kill her husband.

When small-time crook Curtis jacks a police car, he discovers the lady cop is a former lover, and soon the two form an unlikely alliance to bust a revolution-minded urban gang who kidnap, tar and feather rich executives.

Cynical look at a 1950s rebellious Rocker who has to confront his future, thugs with knives, and the crooked town sheriff.