69 roadrunner

• Sep 11, 2014

• #1

R

recco

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thank you guys for this forum,first time
user.here's hoping that you can help me with my first time Mopar build.having a power brake booster problem.normal drum brake car added disc brakes to front.new booster, master cylinder and proportional valve.showing 11in. vaccum at booster but brakes feel like manual brakes.hopfully someone out there has had this problem,RT out!!!:icon_mrgreen::laughing11:

 

• Sep 12, 2014

• #2

Car Nut

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aboard!

 

• Sep 12, 2014

• #3

eric383

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Welcome, you might want to post this question in the brake forum.

 

• Sep 12, 2014

• #4

snakeyes

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hi and welcome to the site :headbang:

 

• Sep 12, 2014

• #5

Photon440

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Hi recco, welcome! I don't have your answer..what year is your car? I wouldn't mind seeing a picture of it.

 

• Sep 12, 2014

• #6

furyus

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Welcome. I would be interested in the answer to this too.

 

• Sep 14, 2014

• #7

M

Mrivas

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First time user here restoring 70 dodge coronet can't wait to get it done happy to find this forum.

 

• Sep 14, 2014

• #8

mr. b

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welcome to the site

 

• Sep 14, 2014

• #9

MoparMitch

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Welcome to the site. Both of you.

 

• Sep 14, 2014

• #10

M

mopar 3 B

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Welcome to site. Did you use factory set up Kelly-Hayes or Bendix master cylinder and booster?

 

• Sep 15, 2014

• #11

Budnicks

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welcome to FBBO

 

• Sep 15, 2014

• #12

Speedbird

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Welcome to another 69 RR.
No idea about your conversion.
But I bet it is a booster problem.
Wrong one or something.
Sounds like too much peddle, not too little.
It's not going to the floor, right?

 

• Sep 17, 2014

• #13

R

recco

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69plymouth roadrunner 440 magnum 40 over,aluminum head motor,with beefup 727 tranny.pushing 500hp/541ft.lb.tork to rear wheels.really need to put the brake to this beast!

- - - Updated - - -

no a. after market set up I found on ebay

 

• Sep 22, 2014

• #14

twinscrew698

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Welcome and...
Maybe this will help a little to understand or maybe find help in the other Videos.
http://www.theramman.com/support/videos/86-mopar-disc-brake-class.html