Cautionary tale.... SRM made me unhappy. Took truck for check up. I was worried about ATF/Coolant cross-contamination, chain tensioner, alternator, etc. I was kind of anxious over stuff when the SW said the charge was going to be $19.95, so I signed (not seeing the oil change that was listed.) The SW didn't ask about synthetic or regular oil, which I think should be mandatory! That would have certainly made me aware of it. When I caught the problem, I explained that I had talked w/SW when making the resv, and oil chg, air and cabin filter, etc. were all to be excluded (as I do them, myself.) I even typed a very specific list of items I wanted, oil change was not on there. The svc dept mgr wouldn't dump and refill with syn. Well, they lost a sale. I'd been out test driving a vehicle and thinking about the ATFcontamination and chain tensioner, and I had talked myself into buying another vehicle .... UNTIL the service manager pissed me off. I would have paid the diff in price between dino & syn to keep from having to drive the truck on dino oil. As it is, I will not use Stones River Motors for anything else.