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Old 05-01-2018, 01:01 PM   #50
AZ_1LE
 
Drives: 2019 ZL1 1LE
Join Date: Feb 2017
Location: Gilbert, AZ
Posts: 674
Quote:
Originally Posted by Boost Creep View Post
Not Dexos2 rated.

I had good luck in my LS2 and LS3 using Mobil 1 5W40 turbo diesel, kept the sewing machine noise to a minimum, but it is not Dexos rated either.
Yes, it is.

Amazon has an old picture of the bottle, but it's got the cert.

https://www.napaonline.com/en/p/VCA966

https://www.centerforqa.com/dexos-brand2/

Plus, the manual specifically states this oil is recommended for track use.
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Old: 2017 ZL1
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