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It says something along the lines of "When engine is operated under severe conditions, oil should be changed every 3,750 miles or 3.75 months." I will have an UOA done on this oil after 6 months just to see if 6 months is a good OCI for me. I'll post back with results in January I guess...

What would you recommend I do? Exchange the PP for regular Pennzoil or Halvoline, or just use it for 6 months and see where to go from there?

I don't want to pay the stealership to change my oil. I don't trust them and I don't want to give them my money. I am keeping all my receipts in my glove box though in case I ever need to prove that I changed the oil. And again, I doubt any significant damage will happen to the engine in the...

This is my first post here and I'd like to start with some background info: -My car is a 2007 Subaru Impreza 2.5i (non-turbo model) -I bought it in June 07 and the first oil change was at 1,700 miles in late October 07. It was the free dealer oil change and they used a synthetic blend. -It now...