Mark,
I change the oil on my Imperials twice a year spring/fall. I only put about
1,500 to 2,000 miles a year on each vehicle. Oil does break down with short
runs, and most of the car shows/cruises that I go to are short drives.
Oil/filters is very inexpensive insurance vs. motor problems.
Rich Woolf
'66 Crown
'73 LeBaron
> I changed the oil in my '68 yesterday and got to wondering. In the
> FSM, it says to change the oil every 3 months or 4000 miles, whichever
> comes first. I haven't put on 4000 miles on this car since I bought
> it, so I haven't changed the oil in 3 years, figuring, well, mileage is
> the key thing. But now I'm wondering if time itself is a factor. Will
> old oil go "bad" in the crankcase? Should you change your oil every 3
> months REGARDLESS of how much you drive?
>
> Thanks, Mark
>
>
>
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