Changed cam senior drove home would not start 1 hour later it would start

May be a worn fuel pump where the pressure drops when it's heat soaked. After it cools, pressure goes up enough to allow the engine to start. Read the link below:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-8.html#post1415281