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Master Cylinder Question

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Old Feb 16, 2006 | 01:01 PM
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Default Master Cylinder Question

I just bought a MC from VBP, My question is, are the threaded hole sizes suppose to be different sizes for the brake lines.

I have a 1969 with no booster
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Old Feb 16, 2006 | 01:08 PM
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My 70 with P/B has two different sizes.
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Old Feb 16, 2006 | 01:09 PM
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Just replaced the MC and Booster... mine are different sizes... which corelate to my porportioning valve i.e. front and back...
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Old Feb 16, 2006 | 01:22 PM
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Ok thanks, Just wanted to check to make sure
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Old Feb 16, 2006 | 10:37 PM
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Does any one know the size of the larger one? I'm trying to bench bleed and want to buy a short steel line to connect and bend back into the MC like people have suggested but I have not been able to find a brak line to fit the larger hole. I though it would be a standard size.
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Old Feb 16, 2006 | 10:44 PM
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I went through this myself a couple of months ago.

I found an inexpensive kit, which came complete with threaded plastic adapters in various sizes and rubber tubing. The whole thing was about $8.00 and worked well.

I'm sure you can find the same kit online in case you don't want to hassel with bending short lenghts of steel lines.

Good luck.
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Old Feb 17, 2006 | 07:47 AM
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Originally Posted by kodaclr
Does any one know the size of the larger one? I'm trying to bench bleed and want to buy a short steel line to connect and bend back into the MC like people have suggested but I have not been able to find a brak line to fit the larger hole. I though it would be a standard size.
!970=
Front- 1/2-20, 3/16" OD tubing
Rear- 9/16-18, 1/4" OD tubing

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Old Feb 17, 2006 | 12:40 PM
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Thanks
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