The 1963 Firecracker 400 was a Grand National (now Sprint Cup) event held at Daytona International Speedway on July 4, 1963. Fireball Roberts won in dominating fashion, leading 63 of the 160 laps in route to a carlength victory on Fred Lorenzen. Eventual season champ Joe Weatherly finished 18th with engine issues. Stats
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 6 |