Here are a few more good ones:
Bigger car shows:
Belmont Shore Car Show-September 22, Long Beach, CA.
Bixby Knolls Car Show and Cacklefest (no date set yet, but it's usually in July)
Cruise Nights:
All of these have trophies, raffles and 50/50 drawings
Fuddruckers Lakewood (5229 Clark Ave. Lakewood, CA 90712-2606) First Saturday of every month 1pm-5pm, and every Sunday
Bob's Big Boy Signal Hill (1898 East Willow Street, Signal Hill, CA 90755-1938) Third Saturdays 4pm-7pm
Spires Cerritos (10900 Alondra Blvd. Cerritos, CA 90703) Every Wednesday 5pm-8:30pm