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| | |-+  Thread size on a '67 master cylinder - Disk Brake Questions..!		 « previous next »
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Author Topic: Thread size on a '67 master cylinder - Disk Brake Questions..!  (Read 2401 times)
SteveW
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« on: June 03, 2008, 18:57:11 pm »
Does anyone know the thread size of the ports on a '67 beetle master cylinder? I want to run AN fittings throughout so I need to order the correct adapters!

Thanks
Steve
« Last Edit: June 04, 2008, 15:53:19 pm by SteveW » Logged
Steve
1961 Oldspeed Beetle
1970 Stock Beetle.
JS
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« Reply #1 on: June 03, 2008, 20:25:27 pm »
Should be M10x1.
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SteveW
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« Reply #2 on: June 03, 2008, 20:26:54 pm »
Cool, thanks  Smiley
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Steve
1961 Oldspeed Beetle
1970 Stock Beetle.
SteveW
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« Reply #3 on: June 04, 2008, 15:56:47 pm »
As I'm going to be running 4 wheel disk brakes, is it a good idea to run a brake proportioning valve e.g this from Wilwood



Also do I need to run a residual pressure valve as the M/C will be lower than the calipers?

Thanks
Steve
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Steve
1961 Oldspeed Beetle
1970 Stock Beetle.
Zach Gomulka
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Don't piss down my back and tell me it's raining.
« Reply #4 on: June 04, 2008, 16:14:52 pm »
I've got 4 wheel discs on my car, original master cylinder with no residual pressure valve and no problems. I am thinking about installing a proportioning valve though because when I really hammer on the binders my 145's lock up, a little more bias towards the rear wouldn't hurt.
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Born in the '80s, stuck in the '70s.
Bruce
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« Reply #5 on: June 05, 2008, 02:10:09 am »
A pro valve won't help that, Zach.  They are usually installed such that they can reduce the rear lockup.  You need the opposite.  What are your rear brakes now?
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