The Rocket Racer

Tony Baron, the son of early racing pioneer and hot rodder Frank Baron. wants to have his flathead powered Bonneville lakester race car set a new record. He listens to a hair-brained proposal from Clark on how to make an engine develop great power by use of rocket fuel. He consents to the plan. Clark, with the help of his buddy John Hager, builds and tests the engine.
An old mine shaft gets salted with cast iron when an early test goes bad. But they persevere and the engine becomes a reality. Tony installs it in the race car. A record is broken but not without consequences … and the rest of the story is …