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Old 10-23-2011, 02:47 PM
tbub tbub is offline
Join Date: Jul 2010
Location: Currently in Mooorhead, MN but From Centuria, WI
Posts: 28
Default Slingerland Zoomatic Knob

Hey guys, I'm looking for a Slingerland zoomatic knob for a 1970's Gene Krupa Soundking if anyone has one let me know!

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Old 10-26-2011, 11:54 PM
idrum4fun idrum4fun is offline
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Join Date: Jun 2006
Posts: 5,166
Default Re: Slingerland Zoomatic Knob

Hi tbub!

I doubt you'll find a knob. Even if you do, chances are that it won't stay attached. They are a press fit. Once they come off, it's pretty tough to get them to stay on. Jim Petty, of, offers a complete rebuild, with a new knob, but it is pricey at $100.

I've had good luck with installing those larger Slingerland muffler knobs onto the Zoomatic. See pictures. I haven't done this in years, but I do recall having to slightly drill out the hole in the knob and then perform a press fit onto the shaft. I don't recall what size drill bit I used. Once done, they never came off!
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