Junk yards are a good source but I don't consider them free because of the time involved. Sometimes, it's even less costly to buy something than find it in my junk bin where things get lost but are there "somewhere".

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85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. sold to a neighbor and member here but I forget his handle. The 84 is much improved from when I had it. 85TD beginning to repair to DD status. Lots of stuff to do.