I see some of his info, but the level of compressor knowledge is way over my head when it comes to Sanden models, I have a bunch of SD714 compressors kicking around in the scrap pile from TDI VWs, good compressors that have no home anymore! But not sure how to interpret if they fit etc/what I am looking for. Old cars are not available in the local scrap yards, nothing much pre 2000 shows up, 80s is very rare to find-meaning most compressors are modern and serpentine belt driven. Just need a mentor on the topic!