Excursion 4WD V10-6.8L VIN S (2000)
Timing Chain: Diagrams
Position the crankshaft with the keyway at the 12 o'clock position.
If copper links are not visible, mark two links on one end and one link on the other end, and use as timing marks.
Install the inner crankshaft sprocket with the long hub facing outward.
Install the inner timing chain on the crankshaft sprocket with the timing marks aligned.