Originally Posted by lbszr

Watch how the primary chain gear comes off the crank cause it's not murphy proof. 90 fmm shows it one way and the supplement fmm shows it the other way but I forget which one is right.

Oil pump will have to come off it your splitting the block. It's not fun to realign unless maybe you have the tool.

Not sure if it would help on tear down but hanging the engine upside down will make it easier to reinstall the chains so they don't bunch up.