Quote:
Originally Posted by spike021
Are there any generally accepted opinions on how to handle oil change intervals when it comes to using heavier weight?
For my recent track day I went up to 05-30w, which is heavier weight than stock. But according to the shop that did some work, including the oil change, it should be due for another oil change after about 4 months or 3-4k miles. That's quicker than factory spec.
Do intervals usually matter when it comes to the viscosity of the oil currently sitting in the car or no? The reason I ask is because I'm wondering if I can go by the standard, manual interval for our car or if I am required to follow the interval the shop wrote on the windshield sticker.
Thanks!
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It doesn't matter, but the more you track/stay in high rpm the more often you should change.
I change oil whenever I started feeling the engine is getting rough.
I think it's pretty good indicator by itself......... on top of that I try to change oil every 5-6k miles. (*sometimes 8k, a trip to canada is already 3k! which I do once every two year since I own the car.)