There is a lot of debate about when to change your oil - Fall or Spring. Here is a video that helps explain at least one side of that debate, one that I follow.

 

There maybe some logic here but the guy IMHO has no credentials so his comments are just his opinion. I suspect if I were to do net searches I would find both plus and minus discussions and data on this but considering the wear would be insignificant it's not worth the search. My car usually sits from 4-6 weeks during the winter as I do drive it depending on how clear the roads are . Also I line up my oil service at the same time my NYS inspection is required . Now considering my dealer is 80 miles away it is an enjoyable spring ride for the service. Once again depending on your yearly mileage it's a flip a coin as to when you want to get the service done. I'll stick with mine and you'll stick with yours and my bet is the car won't know the difference.

 

Zero credibility in my books for brandishing Mobil 1 while giving a sermon on oil.

 

For a sports car, to me it makes sense to your annual in the spring. That way your car can also be inspected should you want to track it or what have you. Clean bill of health for the season.

 

 

While changing oil in fall due to acid sort of makes sense, there is the fact that 99.999993 percent of all oil is in the pan. The remaining 0.000007 percent that is stuck in places could only hold what, a couple molecules of acid at best?

What is the PPM for acid in used oil? Can't be much, and since not much oil OTHER than in the pan, what really could happen?

If anything, remembering that acid could play a part, one would be more apt to change oil immediately before first spring start-up.

Course, cold oil in a 5.0 means trouble sucking through the extraction pump.