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#1 |
Registered User
Join Date: Dec 2010
Location: NC
Posts: 666
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Dual Diaphragm Booster Bracket Differences
I am looking to change my 72 C10 from single 11" booster to a dual 9" booster. I have seen the CaptainFab bracket and also the Master Power Brakes bracket. I noticed that they are considerably different in that the MPB bracket uses a bell crank to achieve the correct pedal ratio and the CaptainFab bracket does not. Can someone explain how the CaptainFab bracket avoids the need for this? Any foreseen issues or benefits with either approach?
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#2 |
Registered User
Join Date: Feb 2010
Location: rochelle il.
Posts: 356
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Re: Dual Diaphragm Booster Bracket Differences
The only reason i can see for that extended bracket and bell crank set up is to give clearance for the column shift linkage. The 11" booster will not clear the shift linkage with Capt. Fab's mounting bracket. I'm still in mockup stage too but i should know more in a week or two. I still have to mount the pedal assembly and my steering column to make sure everything is a go. I have the dash still cut out i will try and get some pics.
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#3 |
Registered User
Join Date: Oct 2007
Location: Austin Arkansas
Posts: 250
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Re: Dual Diaphragm Booster Bracket Differences
Has anyone figured this out yet? I have one of the captain fab brackets and love the way it looks and cleans up the fire wall. But still have not got really good brakes. They’re just ok. And yes before everyone starts to ask me everything is new and have bleed the system several times. I did re drill the pedal arm
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OLDIRONRACING |
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#4 |
Senior Member
![]() Join Date: Jun 2022
Location: San Ramon,CA
Posts: 455
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Re: Dual Diaphragm Booster Bracket Differences
does a bell crank really alter the ratio and allow the rod to use the same hole in the pedal?
I've been trying to decipher this for a while, since the instructions are laughable |
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#5 | |
Registered User
Join Date: Dec 2017
Location: Elkhart, Texas
Posts: 1,612
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Re: Dual Diaphragm Booster Bracket Differences
Quote:
For me, with proper bleeding, it was a simple bolt-on and go procedure. https://www.summitracing.com/tx/sear...s?fr=part-type |
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