CharlesT I think he meant the BW Venom by Ebohammer.
I had to replace a Shift that had cracked. The replacement reacted nothing like the previous one and was quite weak on the backend. I played with surfaces, plugged and redrilled, etc. I finally just chucked it into our dumpster at the center. I bought one online a few weeks later and it was just like the first one with the strong backend and loud crack of the pins.
It might just be a bad batch that occurred and you had the bad luck of getting one.
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Mike Craig-Columbus, OH