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  #1  
Old 01-21-2001, 08:49 PM
65 racer 65 racer is offline
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Hey guy's I'm new here, but not to Mopar, I have been a mechanic and racer for 28 years. I have run into a problem with the brakes on my race car, it is a 65 ply. with the single master cylinder on it, I am trying to change it over to the dual master cylinder set-up but have had no luck, the brakes are mushy, and will not stop the car very good. I have put every thing on new, lines, wheel cylinders, and have tried 3 different master cylinders, I'm not new to doing this, but just can't get a handle on this problem. Any and all help would be greatly appreciated. Thanks.

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  #2  
Old 01-21-2001, 09:20 PM
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birdistheword birdistheword is offline
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Quote:
Originally posted by 65 racer:
Hey guy's I'm new here, but not to Mopar, I have been a mechanic and racer for 28 years. I have run into a problem with the brakes on my race car, it is a 65 ply. with the single master cylinder on it, I am trying to change it over to the dual master cylinder set-up but have had no luck, the brakes are mushy, and will not stop the car very good. I have put every thing on new, lines, wheel cylinders, and have tried 3 different master cylinders, I'm not new to doing this, but just can't get a handle on this problem. Any and all help would be greatly appreciated. Thanks.

When you change from a single to a duel you have to add a proprotional block valve did you do that? the BIRD

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Old 01-21-2001, 10:31 PM
65 racer 65 racer is offline
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Yes, I have tried it with the proportioning valve, and without, and it makes no difference either way. Thanks.
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Old 01-21-2001, 11:23 PM
COLORMECLONE COLORMECLONE is offline
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65,you DID bench bleed the master cyl. first...right?
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Old 01-21-2001, 11:27 PM
COLORMECLONE COLORMECLONE is offline
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oh yeah,if you're using a master cyl.adapter plate,you may need a longer brake pedal push rod
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Old 01-21-2001, 11:54 PM
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Leigh Leigh is offline
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Here's what happened to me. I never would have believed it but it's true. It's a long shot, but as I said..... Look at the bleeders and make sure they don't have any restriction. I had one (left rear) that while it would let fluid (and air) pass, not in enough volume to get all the air. Opened it up (had casting slag in the hole) and bingo. Replaced almost everything untill I found that one. I've got a MP adj. p/rod I'll sell for 1/2 price if you need it.
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