Quote:
Originally Posted by drivingagain
This has been proven to be wrong. Synthetic fluid can be used from the very beginning as all of our SS cars are filled with mobile 1 to begin with. Same thing with the corvette's. So GM designed break in around Mobile1.
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I thought it was synthetic blend, not full synthetic. And definitely not Mobil 1 factory fill. But yes, there is no harm running fully synthetic during break in. There is no break in change required. Send your oil off to analysis if you don't believe it.
*Edit: ok so others are getting conflicting info too. So what's the story from the printed owners manual. Online manual says this:
AC Delco dexos1 Synthetic Blend is recommended.
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Current: '17 2SS Hyper Blue, A8, MRC, NPP
Past: '99 SS Camaro A4, '73 Camaro 383 A3
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3800 Status - 6/16/16 (Built!)
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