Looks like the Hot Rod and Motorcycle show I enjoyed in 2007 isn't coming back to San Diego's Qualcomm stadium. http://www.cycleprousa.com/shows.cfm http://www.sandiego.gov/qualcomm/pdf/calendar.pdf which also show the Race Legal drag races.
Here's the San Diego Harley events calendar website http://www.sandiegoharley.com/event_calendar.asp
Pinnacle Peak Steakhouse has a Koffee Kruise, it's put on by Ed, the man behind the Overdrive newspaper, and it will also have a parts swap meet now.
The Motorhead Misfits and Beef and Bun are continuing the Thursday cruise.. there's only one.. Beef and Bun! Yeah, it's catchy, I hope it doesn't get stuck in your head like it is in mine. Apr 23rd, May 21st. and so on. From 6 pm til people go home.
Over the Hill Gang streak on Mission Bay will be May 7-9
If you want a Do-Wap group for a car show or event... do-wop is 1950's type music (if you were wondering, you are very young, but will still like it!) ... like I said, if you want a do-wop group, the Royals are looking to book the season http://sdroyals.com/ try the Shoop Shoop song, very good.
the Santee lakes car shows will begin April 3rd. Lake #5
the Balboa Museum car show season will include Datsun Nissans from Jul-Sept.