Re: SRT6 oil changes and car cost ??
I would consider running a mix of Mobil 0W- or 5W-30 and 0W-40 in my n/a engines, but the SRT6 runs hot and I would stick with 0W-40. But since I cannot find 5 qt bottles of the -30 anymore, I am going to stick with 0W-40 as recommended by Chrysler.