What brake booster to get? - Vintage Mustang Forums
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post #1 of 32 (permalink) Old 09-09-2019, 10:49 PM Thread Starter
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What brake booster to get?

One of the first mods i plan to add once I bring home my fastback is to add a power brake booster. The car already has 4-wheel disc brakes but I want the added creature comfort and safety of power brakes. Would I be able to buy a specific booster to fit my current master cylinder (I was told it’s a Wilwood) or would I need to get a new booster/master cylinder combo? Any recommendations? Thanks!

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post #2 of 32 (permalink) Old 09-09-2019, 10:55 PM
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Creature comfort...ok. However, what makes you think power brakes are safer?

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Patrick
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post #3 of 32 (permalink) Old 09-09-2019, 11:31 PM Thread Starter
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Creature comfort...ok. However, what makes you think power brakes are safer?
well maybe not “safer” but definitely easier to get the car stopped quicker in the event a sudden stop is necessary. Just a creature comfort I guess.

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post #4 of 32 (permalink) Old 09-10-2019, 12:56 AM
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These cars are pretty light. With the right size master cylinder, you don't need power
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post #5 of 32 (permalink) Old 09-10-2019, 11:08 AM
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Save yourself a lot of headaches and just use a manual master cylinder and skip the booster.
Ask me how I know.

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post #6 of 32 (permalink) Old 09-10-2019, 11:21 AM Thread Starter
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Save yourself a lot of headaches and just use a manual master cylinder and skip the booster.
Ask me how I know.

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Interesting...do you mind elaborating on why power is a headache?

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Built in San Jose, Ca - True "Black Plate" car
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post #7 of 32 (permalink) Old 09-10-2019, 11:36 AM
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My jump in with take.......

"Interesting...do you mind elaborating on why power is a headache?"

As was mention, these are light cars., no real need.....
As to the "headache part" :
It adds complications, by taking up room, additional maintenance item. Should you get the urge to go to manual, you can't use the booster in its current form. You're adding a potential Vac leak.

BTW, I removed mine. Have been happy.

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post #8 of 32 (permalink) Old 09-10-2019, 12:35 PM
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Quote:
Originally Posted by Sydewaysix View Post
One of the first mods i plan to add once I bring home my fastback is to add a power brake booster. The car already has 4-wheel disc brakes but I want the added creature comfort and safety of power brakes. Would I be able to buy a specific booster to fit my current master cylinder (I was told itís a Wilwood) or would I need to get a new booster/master cylinder combo? Any recommendations? Thanks!



Listen to these guys. You don't need it. I did put one on my car and it didn't make a difference on how it stops. Yes it takes less effort but you will loose some of the "feel" in the pedal. Now I have front disks and rear drums. I'm taking mine off and going back to manual.
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post #9 of 32 (permalink) Old 09-10-2019, 12:37 PM
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Buy one that copy the original Ford design, with a lever behind the booster that changes the pedal ration. I guess most people that had troubles with booster conversion kits, are using cheap kits that usually tries to take a shortcut in the mechanical design and reuse a pedal ratio optimized for manual brakes.

Adding power to my stock manual disc brakes are on the list of best modifications I've done to the car. Drove with the stock manual brakes for years, but never learned to like how the brake pedal felt. Now it feels like the brakes in any modern car

Last edited by Westmus; 09-10-2019 at 12:41 PM.
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post #10 of 32 (permalink) Old 09-10-2019, 12:50 PM
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Interesting...do you mind elaborating on why power is a headache?
One less thing under the hood to break.
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post #11 of 32 (permalink) Old 09-10-2019, 01:36 PM
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If you get the right MC setup (I use a 1" Wildwood MC with an adjustable proportioning valve with 4-wheel disc brake), it will feel like power brakes. I can't even tell the difference...

Tim
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post #12 of 32 (permalink) Old 09-10-2019, 01:38 PM
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Quote:
Originally Posted by Westmus View Post
Buy one that copy the original Ford design, with a lever behind the booster that changes the pedal ration. I guess most people that had troubles with booster conversion kits, are using cheap kits that usually tries to take a shortcut in the mechanical design and reuse a pedal ratio optimized for manual brakes.

Adding power to my stock manual disc brakes are on the list of best modifications I've done to the car. Drove with the stock manual brakes for years, but never learned to like how the brake pedal felt. Now it feels like the brakes in any modern car
I believe Ford only made the booster adapter in order to extend the booster out so it wouldn't hit the Z-bar rod in a manual transmission, if I remember correctly.

Tim
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post #13 of 32 (permalink) Old 09-10-2019, 02:21 PM
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I agree that power brakes arenít necessary. That said, I added the Mustang Steve power brake conversion when I did the C4-to-T5 swap, and it has been trouble free for over a decade. Itís a fairly involved mod, but Iím very happy with it.
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post #14 of 32 (permalink) Old 09-10-2019, 02:22 PM
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Originally Posted by stangtim22 View Post
I believe Ford only made the booster adapter in order to extend the booster out so it wouldn't hit the Z-bar rod in a manual transmission, if I remember correctly.

Tim
That's wrong, because the way its designed it roughly halve the pedal ratio. The same design with a lever behind the booster was also used on other Ford's with power brakes and it was used on both manuel and automatic cars.
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post #15 of 32 (permalink) Old 09-10-2019, 02:36 PM
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That's wrong, because the way its designed it roughly halve the pedal ratio. The same design with a lever behind the booster was also used on other Ford's with power brakes and it was used on both manuel and automatic cars.
What would be the point of using the booster bracket on a car with an A/T? There are no fitment issues from the Z-bar, etc.
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