Using the Excellent Wrenn W7308 5 Pole Armature. Will improve the running of a Big City Locomotive?

#modelrailways #restoration #vintage After a bit of consideration I decide to fit the Wrenn W7308 5 Pole Armature to last weeks City Of Stoke On Trent, Wrenn Model Number W2227. Will we notice any changes in performance? Keep watching to find out. Thanks for looking

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