I purchased my 1999 Elise with 3500 miles when it was 10 years old and gave it its first cam belt change and first oil change. I only drive about 200 miles a year in it to keep it rather special and want to stick to that mileage. The "problem" I have is how often to service it - particularly the oil change. At the moment I have had the oil changed using fully synthetic every 2 years and the brake fluid tested for moisture content. I have the cam belt changed every 4-5 years but wondered what owners of cars which do similar mileages do especially those with large collections. I was concerned that the car did not have its first oil change for almost 10 years but it does not appear to have caused any obvious harm.
Would you recommend the same 2 yearly oil change or could I leave it longer?