Quote:
Originally Posted by WVZR-1
I don't know that it's that easy to just let the facility "off the hook" - I've no "first hand" but I'd think there's little argument for the change from 10/30 product to the 5/30 product for a car that isn't going to see "everyday" use. Even then I'd maybe think very hard before the change.
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I agree with the above and would like to add, that even if the car was used for everyday driving and you have the 5W-30 oil in there, it is not going to do any damage or have additional wear as you may think. While I am not an oil expert, and don't pretend to be, just thinking out loud that if your not using your ZR-1 for strictly performance purposes, then you have nothing to worry about. If it is purely a track vehicle, then that is something else!!!
Our '03 Vibe now is @ 170,000 miles, and still runs strong. Use oil, yes it does, more probably leaks then burning. Add up to a 1/2 quart from time-to-time. And I just use conventional oil in that car. My point is no matter what oil you use, you can get longevity from any engine when properly maintained, which means doing PM's and having the correct fluids. That being said, if that shop put in 20W-50, or 15W-50, or straight 30 or 40W, then that would be a cause for you to be upset. JMO.......
Just another side note, way back when oils were a lot different and didn't have quite the viscosity ranges that they have today. Even on cold morning with a slightly heavier "weight" oil, sure it may have taken a few extra seconds to start the engine on a cold morning, but you just let the engine warm up a little bit longer, of course today, it's totally different. You would have to completely abuse your engine in some way, shape, or form, to verify that the difference between a 5W & 10W oil for cold weather starts is damaging your engine in colder climates.....