Quote:
Originally Posted by Nsxmatt
My owners manual on my 17 says blend.
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Matt, can you quote what it says in your manual? Not doubting you. I see several cases of contradicting information in my 2018 manuals, so I wouldn't be surprised at all if the 2017 manual actually recommended the blend.
But just to clarify one thing - dexos1 does not specify full synthetic or blend. You can find the green dexos1 symbol on both synthetic blend and full synthetic oils. The dexos1 designation is the requirement. It could be the blend or full synthetic (for 2018). The 2018 manual does not say full synthetic is required. It says it is
recommended on page 339 of the 2018 owner's manual. @Bongos2U posted the exact text above.
This blend would actually meet the requirement, but not the recommendation for 2018:
https://www.walmart.com/ip/Pennzoil-...iner/155248421
Back the OP's question, who knows what the factory fill is? My Blackstone Labs analysis report after changing the factory fill said the viscosity was in the 5W-20 range, but no mention of synthetic versus blend.