Quote:
Originally Posted by Silveradoss573
None of the above. Gm still has issues with rockers failing on both the 5.3 and 6.2 engines. And new Duramax owners are reporting excessive oil consumption already. It's evidently so bad that gm is actually overfilling the 3.0 Duramax now from the factory by 1 qt so new truck owners don't run low before their first oil change.
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The primary issue with rockers/lifters on these small block engines is the AFM causing failures. You can buy an AFM disabler that plugs right into the OBD that solves the problem.
https://www.rangetechnology.com/prod...-dfm_disabler/