Since it didnt sell on fleabay, figured I would see what I could do with my AN NW2. I had never ran the old girl, just took out of the box and put her on the shelf. Well, she needs an upper chain sproket. The upper and lower delrin chain sprokets are split on one truck. So I get slippage and chain picking noises from it. First can the lower sprocket be replaced and does anybody have a spare set they will let go of? I would like to keep both trucks powered. Also, how much slack should there be in the chain in the AN chain drive set up? She ran well otherwise, very quiet and smooth despite the issues in the drive line. I tried taking one link out of the rear truck's chain, but it wont quite close back up. Still has more slack than I like but it runs smoothly on that truck. Thanks Mike
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