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Old 09-22-2015, 10:56 PM   #1
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Default Teflon cap for end of Clutch slave piston

I have a squeak that I've tried a few different greases, and low friction tape, to eliminate.

Some people have put o-rings, but I'd like a machined teflon cap.

Any leads on where to contact for this?
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Old 09-22-2015, 10:59 PM   #2
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There's a place in KC I've brought pizza and pie crust forms to before for teflon coating.

It's called LPF coatings, there should be places near you that can do the same. It was not cheap.

Teflon is a bitch of a material, it's brittle and not very machinable, almost like compressed talc powder. You aren't getting a durable cap made that will fit, not for anything reasonable.
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Old 09-22-2015, 11:13 PM   #3
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Hm. Should I be looking at a different material? Like some sort of poly or rubber cap?
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Old 09-23-2015, 12:18 AM   #4
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Are you talking about a cap to go between the pushrod and piston 'cup' (inside the rubber boot) or between the pushrod and fork?

Search for 'teflon rod' on McMasters. I've only had experience with teflon sheets, but it might be too soft and has a tendency to 'creep'. Delrin or nyloil are other options.

Supply the material/drawing (or slave) and I should be able to make one for you on the lathe (pending free time...).

--Ferdi
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Old 09-23-2015, 02:04 AM   #5
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Working with Ferdi for a solution,

Thanks everyone!
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Old 09-23-2015, 06:49 AM   #6
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Screw Teflon. Go with Kynar.
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Old 09-24-2015, 07:16 PM   #7
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^will do, thanks!
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Old 09-24-2015, 10:13 PM   #8
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Ferdi, I'd be in for a nyloil bushing or 4. Let me know how I can help.
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Old 10-20-2015, 07:22 PM   #9
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Ferdi has finished a cap in each of four materials for me to try out.

They look fantastic, I can't wait to be squeak free!

I'll post the picture when i get home.
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Old 10-21-2015, 09:25 AM   #10
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I am in for several of them.
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Old 10-21-2015, 12:20 PM   #11
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I don't know if he made any extras, but I'm only receiving one of each material.

Ferdi was saying he won't be taking any side machining jobs for awhile, but just try contacting him anyways.
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