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Old 12-26-2009, 08:15 PM
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no combo combo valve of any kind

so this is how we got the car guess i need to add a combo valve
and what about the vacumme hook up for the booster
also need a brake switch for lights too I guess
any thoughts here guys
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Old 12-27-2009, 12:39 PM
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An adjustable proportioning valve and residual pressure valves on both ends (if not already in the master cylinder) at the minimum would be required. Run hard line from the engine to the booster with a short piece of 11/32" vacuum brake hose to make the connection to the booster. I would also add a guard to keep the bottom of the booster from hitting speedbumps etc. A brake light switch off the pedal could be added instead of an hydraulic unit.

Andy
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Old 12-27-2009, 04:50 PM
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Ya I double checked no valves i can see
How can i tell if their in the master as you stated.
Good call on the hard line and guard
Thanks
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Old 12-27-2009, 08:03 PM
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There should only be a check valve in the master cylinder port that goes to an axle with drum brakes. Remove the line from the master cylinder and insert a probe (a small allen wrench will work). If the probe will only go into the center hole of the port an 1/4" or so, there is a check valve. If the probe will go in further, there is no valve. You need a 10lb valve for an axle with drum brakes (a 10lb is built into the master cylinder), and a 2lb for a disc brake axle, which you can add externally.

Andy
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Old 12-28-2009, 05:36 PM
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This will work will it not..are my lines the right size. IT says will take 3/16 line
http://performanceparts.com/part.php?partID=392039

What are you guys using...I like the idea of the switch for the brakes on it
Thanks Guys
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Old 12-28-2009, 07:25 PM
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It looks like a good part, but I have not used that unit. I have used Kelsey-Hayes and Wilwood adjustable proportioning valves. It does not appear to have residual pressure check valves in it. You would still need a 10lb for drum brake axles, and a 2lb for disc brakes. It also appears that your hard lines are larger than 3/16". They likely are 1/4" dia. Adapters are available.

Andy
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Old 12-28-2009, 09:48 PM
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ok after reading up on it. I think I will go with the prop valve and the 10 in the back 2 in the front as seen here a first pic down Choosing a proportioning valve

But I then have to rethink the brake light switch. Any links or pics would really help me out. The stock doesnt come in contact with the new set up. Guess i could move it but its 50 some odd years old anyway.
Thanks Aosborn
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