As I understand it, Castrol is **most** compatible with the natural rubber (rather than synthetic rubber) seals used on the DeLorean (and other European cars). I'm not sure what the long term difference, i.e. will the brake master last 10 years instead of 8? etc. But that's the story. Castrol is still very available, but the big chains for some reason don't carry it. Probably lower margin. Look at your smaller independent stores or foreign car parts specialists. Most important thing is to change it often. Every two years is a minimum. I'd do yearly if you drive the car in wet weather. Important to note that the DMC fluid reservoir is vented to air, whereas US cars are vented into a rubber bladder. Euro car makers (BMW etc) recommend fluid changes more often to get rid of the moisture that creaps in. Another story you will hear is that changing the fluid after a very long interval is likely to cause leaks to start, IMO that's true at least in the clutch system. Dave Swingle < --has changed out a lot of muddy brake fluid - 18 years is NOT an acceptable interval. --- In dmcnews@xxxxxxxxxxxxxxx, "Jason Rowe" <rowejj@xxxx> wrote: > Well, I've went to all the local parts stores and no one has any castrol. I asked the guy > at napa