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This video goes into detail about how to do a complete C15 or 3406 Valve Adjustment Overhead . Includes the Valves, Injector Height, and Jake adjustments. IVAs and VVA adjustment are also discussed. The proper way to pin the engine and what sequence are all shown in this video. Comments and questions can be left in the comments section. Did this video help you save time or money? @AdeptApe on Venmo or AdeptApe@yahoo.com on PayPal for donations, thank you so much for supporting the channel!