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adding brake booster
#1

I have manual front disk brakes on my 71 and I was thinking about adding a brake booster. Has anyone ever done this before? Is it as easy as buying a new master cylinder and brake booster combo?
71 Mustang fastback
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#2
no you need a different pedal assembly for the brake when using automatic brakes. you also need a different proportioning valve.

i know I'm missing something else. the brake lines would need to be reworked, the new booster should come with the adjustable shaft and seals, you will need a brake vacuum booster one way valve, you may need to find a correct firewall rubber boot seal for the booster, but i know I'm forgetting something else you need.
[Image: sig.jpg]
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#3
I recently posted that I wanted to do the opposite and convert to manual brakes, maybe we can swap my power brake setup to your manual brake.
[Image: mustangnight010.jpg]
1972 Mustang Convertible 351C 4V
1966 Ford Galaxie 7 litre-4speed

Jorge
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#4
(01-09-2011, 06:29 PM)jorgem2 Wrote: I recently posted that I wanted to do the opposite and convert to manual brakes, maybe we can swap my power brake setup to your manual brake.

If I do eventually make the change, it will be awhile down the road. I have a few other projects that need to come first.
71 Mustang fastback
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#5
(01-09-2011, 06:29 PM)jorgem2 Wrote: I recently posted that I wanted to do the opposite and convert to manual brakes, maybe we can swap my power brake setup to your manual brake.

Jorgem, you are not going to take the easy way out on this one are you.Big Grin
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#6
I dont know the easy way yet, but I got to do something my power brakes are scary stiff. I may try a vaccum canister to see if it helps.
[Image: mustangnight010.jpg]
1972 Mustang Convertible 351C 4V
1966 Ford Galaxie 7 litre-4speed

Jorge
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#7
LOL good luck. Going fast is cool but stopping is a must.
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#8
(01-10-2011, 06:27 PM)jorgem2 Wrote: I dont know the easy way yet, but I got to do something my power brakes are scary stiff. I may try a vaccum canister to see if it helps.

How much vacuum do you have? A lack of vacuum can cause a stiff pedal and no pressure.
Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
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#9
he has a wild cam and so his engine makes very little vacuum to drive accessories like the brake booster
[Image: sig.jpg]
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#10
a vacuum assist should be the next thing you'd be ordering from summit. i think there is even electrical ones!
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