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Discussion Starter · #1 ·
Do I need to use a thread sealant on the brass fittings that screw into the CNC master cylinder??
Thanks, Stan
 

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Stan I used teflon tape.
 

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drmcat
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Brake fittings seal at the flare, not the brass fittings, so no sealant is needed.

mike
 

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There should have been intructions inside the master cylinder about this issue, was in mine but at the office not anywhere ner the Snake-pit.
 

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What Country You From?
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Yes... The brass that screws into the CNC master cylinder calls for Loc-Tite. I don't have the actual sheet in front of me, but I remember it saying to "seal fittings with Loc-Tite"....or something like that.
 

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The instructions that came with mine said to use a quality thread sealant, and recommended Loc-Tite brand teflon paste. That's what I used.

Loc-Tite is a brand name. They make a lot of products besides thread lockers. A thread locker will not always provide a good seal.

Be very carefull about tightening the brass fittings. If you crack the alum housing, it's your won fault and you have to buy another one.
 

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Discussion Starter · #8 ·
Thanks Guys!!!!!!!!
Stan
 

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Originally posted by Stanley W:
Thanks Guys!!!!!!!!
Stan
Wow, you're sure easy to please. You got 6 answer/opinions, some contradictory, and no one even bothered to ask whether you were talking about pipe thread fittings or flare fittings.
 

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Originally posted by Oldguy668:
</font><blockquote>quote:</font><hr />Originally posted by Stanley W:
Thanks Guys!!!!!!!!
Stan
Wow, you're sure easy to please. You got 6 answer/opinions, some contradictory, and no one even bothered to ask whether you were talking about pipe thread fittings or flare fittings. </font>[/QUOTE]There's only one fitting that screws into the MC. It's a pipe thread.
 

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GONG!...Wrong answer. My master cylinders have 37 degree female flares in them. Not a pipe thread in sight.
 

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Answered 1st, I was not even thinking! Good point Joe.
 

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Hi Stan,
The CNC masters have a 1/8 npt thread. I use teflon thread paste on the CNC's.
Wilwood & Tilton use 3/8 x 24 with crush washers.
I never use or sell teflon tape....
Mike
 

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Originally posted by Oldguy668:
GONG!...Wrong answer. My master cylinders have 37 degree female flares in them. Not a pipe thread in sight.
How did that happen? Did you order them special that way?
 
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