Chevy and GMC Duramax Diesel Forum banner
1 - 1 of 2 Posts

· Registered
2006 LBZ, 2009 LML, 2022 L5P. 1993 6.5 parked in the shed.
1,905 Posts
Duramax's are super easy on oil, any CK-4 rated oil will do. Lots run T6 with no issues, lots don't and no issues.
1 - 1 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.