Agreed, old school is best for that. Page is open as long as I need it, can use multiple sections at the same time, easiest to use any way you slice it.
I have the FSM for everything I own, and have kept the ones for vehicles I sold 40 years ago.
Those still come in handy as info for other folks, like a buddy with a '57 Chevy.
It's the best $50 you can spend on a car, IMO.