It's an hourish north of there but there's this in Belmont Shores/Long Beach
Belmont Shore Brit Car Nite
When Wednesday, May 2, 2012
Where 99-39th Place, Long Beach, CA (map)
Description Belmont Shore British Car Night First Wednesday of every month 6–8 pm at the Belmont Brewing Company. Park on the West side of the Belmont Shore Olympic Pool. Just show up with your pre 1980 British car. There are no dues, officers, newsletters or websites. There will be good people, good beer and fun events. Contact: Tim Clark – babulatpeoplepc.com