Originally Posted by Alaskan_TA
Remove your distributor cap so you can see the rotor.

Get a breaker bar & find a socket the right size for the harmonic balancer bolt inside the crank pulley.

Rotate engine just until you see the rotor end move.

Then change directions, if you can turn the engine several degrees before the rotor starts to swing back, your timing chain and / or pulleys have worn to excess.


This^ Plus check the relationship of the harmonic balancer timing mark relative to #1 cylinder tower on the firing stroke.It should be close to the tower,if not the chain jumped or is severely worn at minimum.