Oil Change Intervals
#1
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Oil Change Intervals
I drive my 993 on the weekends and do a fair amount of autocrossing. I only put 3-4k miles/year on the car. I do try to run it at least weekly enough to get the oil up to temperature. During autocrosses the oil temp does get elevated (about 9 o'clock position).
Since I don't come close to the mileage interval how often (in months) should I change the oil. I run Mobile 1 15w50. With petroleum based oils I had always heard it was six months. Does synthetics increase this interval?
Thanks!
Since I don't come close to the mileage interval how often (in months) should I change the oil. I run Mobile 1 15w50. With petroleum based oils I had always heard it was six months. Does synthetics increase this interval?
Thanks!
#2
Owners Manual says 15k miles for oil change, but note Workshop Manual says 20k KILOMETRES which equals about 12k miles
I think even 12k miles is a long time - not sure how many / how hard you run the autocrosses, but 3-4k miles between oil changes is a pretty good schedule.
So once a year should be fine for you.
I think even 12k miles is a long time - not sure how many / how hard you run the autocrosses, but 3-4k miles between oil changes is a pretty good schedule.
So once a year should be fine for you.