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Good morning all. I spent some time trying to solve this problem last night and while it's been improved, it still plagues me. I've got a DC layout, block controlled running off an MRC 280 throttle. I have two Atlas GP7s I got off eBay that have generally run pretty well. However, both 'stutter' on the tracks. At certian points they seem to slow down and sometimes stall completely, althought not regularly. The degree of the stall seem proportional to the speed. The faster it goes, the less noticable the stall. I wonder if this could be: 1. Engine issues. I took apart one of the GP7s and cleaned the trucks and contact strips. While it made some bits cleaner (especially the contact strips), it doesn't seem to have helped the problem. 2. Track issues. I've both cleaned it with a track cleaner and tested the path. I'm getting the same voltage out at the rails as out of the transformer, so I don't think the track is shorting or overly dirty. I'm stumped, baffled, and somewhat frustrated about all this. Any input would be greatly appreciated.
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