Originally Posted By 41MoChev
Question: I understand that the serpentine belt system from a magnum engine can be fitted to an LA engine. Is this true? If so, are there any issues such as water pump rotation direction?


Not easily.

The Magnum uses a shorter cam snout, no fuel pump eccentric provisions, with a correspondingly thinner timing chain cover.

You'd have to swap cam and cover or play spacing games to line everything up.