After a long winter of hibernation, many muscle car owners are going to hear the familiar “clickity clack” of a long-dormant valvetrain coming back to life. If the clatter goes away quickly, chances are that the engine just needed to get a little fluid forced back up to the top end after an extended drain-down. If not, then another culprit may be to blame as the Hughes Engines Tech Center explains:

Read the whole story at Mopar Connection Magazine HERE: