In your case, I would put in synthetic oil, and change once a
year.

Its is odd, but I have found that a car that is not use gets as
much problems as a car that is being used. You will noticed the
brakes going, rust, etc.... my 2 cents


"Khee Mao" <yousuckbigbad_buddhadaddy@yahoo.com> wrote in message
news:c6p6jp$sjg$1@nntp1.u.washington.edu...
> I've recently moved downtown and am now walking to work (and
just about
> everything else), which has decreased my monthly mileage to
somewhere
> between 100 and 200 miles total. I know the oil companies say
3 months/
> 3000 miles (despite my manual saying at least twice that), but
changing oil
> every 600 miles seems kind of ridiculous. does oil go bad from
age as well
> as wear?
>
>