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Brake booster ?s

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Old Aug 17, 2016 | 04:17 PM
  #1  
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LDR
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From: Parma, oh
Car: 2012 Impala ltz 1988 Gta project
Brake booster ?s

I am going nuts on this car. Reassembly every piece i touch is got a little modifications here and there.
I am working on putting the brake booster back in. When i went to install the push rod between the booster and master looked a little short. I pulled it out and its been cut. I have no clue why it would have been shortened. So I am looking for anyone that know what the proper length should be. Also there are not a lot of 3rd gens in the yard. Can i use the rod out of a 4th gen with my stock booster and master cylinder? If not that does anyone know where i can get just the push rod. I am not being cheap but I am trying to put things back together to focus on things that are bad and saving money on things that are fine.
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Old Aug 17, 2016 | 04:57 PM
  #2  
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Car: '89 Firebird
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Re: Brake booster ?s

Push rod is not interchangeable between 4th gen and 3rd gen. https://www.thirdgen.org/forums/brak...ml#post4880604

Easiest path (and possibly only path) is to get a brake push rod from a junkyard. I have no idea if/where new are sold. The correct length of pushrod is the length that produces about 0.020" gap between rod and master plunger when at rest. http://www.mpbrakes.com/techtalk/how...r-cylinder-gap
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Old Aug 17, 2016 | 07:26 PM
  #3  
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From: Tracy, CA
Car: '87 IROC
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Re: Brake booster ?s

It might be a good idea to just source a rebuilt booster. The rebuilt booster should already come with the push rod installed.
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