That’s true but the serpentine system doesn’t look great on old hotrods.If you have a wrecker that has a magnum I would use the later serpentine system , 1 or 2 brackets mounts everything & the serpentine belt is superior , using LA parts you have so many parts to locate .
I will only need Alt brackets and pulleys for the crank and water pump so should be easy to get those off an old LA motor.