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Adding a brake booster to my front disc brakes on 57 tbird

Posted By RJ Palmer 4 Years Ago
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Adding a brake booster to my front disc brakes on 57 tbird

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RJ Palmer
Posted 4 Years Ago
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Has anyone done that?  Thinking of doing that and would like to call on anyone who has and what problems I could encounter.
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paul2748
Posted 4 Years Ago
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Fortunately, I have had only one panic stop - doing 65 when I came over a rise and found traffic dead stopped in front.  Brakes worked very well.  I might add that I have a 9 inch rear with later TBird/truck brakes
RJ Palmer (4/23/2021)
Thanks for your input Paul,  I too have the Granada front discs and dual master cylinder which I did 10 years ago. I'm not 100 % happy with that setup as I've had to make a few panic stops and thought car should have stopped sooner in that situation. I find that I have to pump the brakes  to get a good firm hard stop. Of course , in a panic situation I don't have that luxury.  I keep going back to Gil Baumgartner's comment where he stated to me in an email that disc brakes need approx. 1200 psi to be fully effective. I have talked to Master Power Brakes in No. Carolina and they recommend a 7" dia dual booster with a 1-1/8 " bore master cylinder for my application of front disc and rear drums. They also recommend a combination valve which I already have. I have already relocated the battery to the trunk to make room for the booster tank. Master Power has stated  that rework to the booster tank mount bracket will be required to ensure the booster tank does not contact the  tbird aluminium valve cover..I should have said the tbird under dash mount channel / firewall master cylinder mount will have to be  reworked.  So I'm going to go for it !  Thanks again  RJ Palmer




54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

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Posted 4 Years Ago
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There is, in the case of a 65 Mercury Comet I'm helping restore,, a difference in pedal leverage if that vehicle was built with power breaks, or manual brakes.  That is, the MC push rod is positioned much higher on the brake pedal arm than if that vehicle was equipped with power brakes.  I just wanted to say there can be some not so obvious design differences.    Also, after a panic stop in my 64 F100 which has manual/drum brakes, a sound was produced I haven't heard in decades,-  screeching tires from hard braking.  Antilock brakes are the other piece of the modern brake equasion.  The truck stopped very well and straight with out incident and it doesn't take a lot of pedal pressure/effort with the stock design. Just some more food for thought....

64F100 57FAIRLANE500

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Forum Post Adding a brake booster to my front disc brakes on 57 tbird By RJ Palmer ( 4 Years Ago )
Forum Post The OEM booster is not sufficient for all four corners, when... By 55blacktie ( 4 Years Ago )
Forum Post I can't speak for the booster but can say that I have front discs and... By Vic Correnti ( 4 Years Ago )
Forum Post I bought a front disc/power booster kit from one of the Thunderbird... By miker ( 4 Years Ago )
Forum Post Vic, glad to hear you are happy with your brake setup. I bought... By 55blacktie ( 4 Years Ago )
Forum Post Not on a Thunderbird but I installed the Wilwood 7/8” MC, prop valve,... By DryLakesRacer ( 4 Years Ago )
Forum Post I have heard that running the stock booster on just the front brakes... By paul2748 ( 4 Years Ago )
Forum Post According to Gil Baumgartner ay CTCI , using the stock booster for the... By RJ Palmer ( 4 Years Ago )
Forum Post [quote]Disc brake calipers are designed to operate at higher... By KULTULZ ( 4 Years Ago )
Forum Post I did a Granada conversion on my 54 Ford. Went non power. Used the... By paul2748 ( 4 Years Ago )
Forum Post Thanks for your input Paul, I too have the Granada front discs and... By RJ Palmer ( 4 Years Ago )
Forum Post [quote]I too have the Granada front discs and dual master cylinder... By KULTULZ ( 4 Years Ago )
Forum Post I agree, pedal ratio makes a big difference. 6 to 1 and a MC of 7/8”... By DryLakesRacer ( 4 Years Ago )
Forum Post 14" wheels By RJ Palmer ( 4 Years Ago )
Forum Post [quote][b]RJ Palmer (4/23/2021)[/b][hr] 14" wheels [/quote]... By KULTULZ ( 4 Years Ago )
Forum Post Fortunately, I have had only one panic stop - doing 65 when I came... By paul2748 ( 4 Years Ago )
Forum Post There is, in the case of a 65 Mercury Comet I'm helping restore,, a... By FORD DEARBORN ( 4 Years Ago )
Forum Post 1st-gen. Mustangs/w 4-piston KH calipers had 14" rims. By 55blacktie ( 4 Years Ago )


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