Originally Posted By biff426
Not sure how you can tell other then pull the lifters. VVT and MDS are 2 different things. Under the intake in the top of the block there are 3/4 -1 inch holes and either have plastic plugs or solenoids in the holes. It is not an "easy" fix you would have to pull the heads to change the lifters unfortunately.


There are not solenoids in the valley, there are plugs. There is no other electronics on the engine except for the Hemi 6.