"Dave Smith" > wrote
>>
>> I also change oil at 7500 miles, not the 3000 often wrongly touted as
>> proper interval.
>
> That could be risky. I often go over the time periods but I do get my oil
> changed every 3,000 miles. Oil changes are one way to extend engine life
> and ignoring them can get expensive.
>

Depends on how the car is driven. I've used 7500 for years now and with
200,000 miles on a few, no problems. If you drive 3000 miles a year, yes,
that is a good interval.