I used to find double groove pulleys, both crank and wp, off of big trucks with an air brake compressor. Probably extinct now. Five years ago I made a serpentine prototype for a 235 but there was no interest so it's trashed. Would have helped with several blips like a/c and p/s.
[img]https://i.postimg.cc/jL1XSmqx/IMG-4179-2.jpg[/img]
