SirBudman32 told me when he rebuilt his 1515 it only came with two shims- one for each side. When I opened up a Leopard motor there were numerous shims on each side- it was custom fitted to be more precise.
What Im getting at is the Castle motors might just have more slop to them right from the factory. You could possibly measure the difference and cut your own brass tube shim to fit if you really wanted to.
42" Osprey, 32" Pursuit, 26" Bling Rocket (rescue), Blizzard Rigger, JAE 21FE rigger, Hobby King rigger (RIP)
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