+1--Rich recently relocated from Sonoma Raceway to the town of Sonoma. Phone: 415-341-3822.
He may be the most knowledgeable person in the country when it comes to the "Classic" Elan (and he is also the NorCal authorized Caterham dealer).
Another +1 for Kampena. The guy who bought my Elan in 2005 lives in San Jose, but was going to use Rich for anything that needed to be done in the future. He was as picky as I am, so I know he would only use the best. I've heard nothing but good stories about his work.
BTW, I was in Petaluma back in late June/early July visiting my daughter, who lives there. Nice little town, but the real estate is pricey!