Quote Originally Posted by BradMph View Post
seafoam it? good cleaner that might help while your diagnosing. sorry just saw your past post on cleaners. Try taking your distributor cap off and grab a hold of that rotor and turn it. See if it snaps back quickly or just sticks. The advance on mine had worn out springs and would just lay there after I turned the rotor imitating an advancing of it.
The rotor don't move its kind hard, like theirs a little movement but won't do a 360 turn.