I recently acquired a Key brass PRR J-1 2-10-4 on eBay. And although it runs quite admirably for the most part, I did notice a very slight bind at the extreme low end of the throttle. After a bit of experimentation, I believe I've narrowed the issue down to the bearing blocks on the driven axle. They appear to have just a bit too much free play where they mount in the frame cut-outs, and with the end result being a bit of a back and forth wobble on the drivers (and thus the binding). Anybody else run into this? I'm trying to decide if they are all this way, or if it's just mine. Thanks! -Mark
