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Old 03-17-2017, 11:24 PM   #7
F_Two
 
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Drives: 2020 1SS 1LE
Join Date: Dec 2016
Location: San Diego, CA
Posts: 67
Quote:
Originally Posted by bub View Post
Check out www.gmdexos.com.

Dexos 1 is for gas, 2 diesel.
Per the manual, Dexos 2 is also for track days.

Quote:
6.2L (LT1) Engine
Change the engine oil to 0W-40 or
5W-40 that meets the dexos2™
specification. If this oil is not
available, the following oils can be
used as an alternative: Valvoline®
SYNPOWER MST 5W-40, Mobil® 1
ESP Formula M 5W-40. See
Capacities and Specifications
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