Power Brake Booster

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CUDA 67

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Maple Grove, MN
My 1967 Cuda apparently had power brakes at one time but the booster had been removed. Part of the bracket is still there and the brake lines are coiled up. Does anyone have a 1967 Barracuda 8 cyl with stock power brakes that can send me a picture of their system? Mechanical brakes are a pain with an engine this size. I have looked into after market systems but they seem to stick out so far from the firewall that it would be a struggle just to get at the spark plugs.

Thanks in advance!!!
 
THe booster sticks out as far as the aftermarket ones will. But I would find an original and get it rebuilt rather than use those Chinese kits.
 
CUDA 67 said:
My 1967 Cuda apparently had power brakes at one time but the booster had been removed. Part of the bracket is still there and the brake lines are coiled up. Does anyone have a 1967 Barracuda 8 cyl with stock power brakes that can send me a picture of their system? Mechanical brakes are a pain with an engine this size. I have looked into after market systems but they seem to stick out so far from the firewall that it would be a struggle just to get at the spark plugs.

Thanks in advance!!!
Click to expand...
What bracket parts are still there?
"A pain with an engine this size"? What size engine? Big blocks take a slightly different booster than a small block. What mods to it? A cammed engine may not generate enough vacuum to adequately operate power brakes...
Front disc brakes (factory or aftermarket?) or four wheel drum? What bore size is your current master cylinder? Incorrect bore sizing can cause a bad brake "feel". Many, many people have manual brakes with V8s of all sizes, and adequately sized (most like the 15/16 master) they work extremely well.
Pic is a small block '67 factory booster and drum brake master.
1760803024482.png

Agree 100% about having a factory booster rebuilt if necessary, and avoid the offshore "kits" like the plague.
 
It's a 273 1967 Barracuda Formula S, drum brakes all around. No modifications.
lemondana said:
THe booster sticks out as far as the aftermarket ones will. But I would find an original and get it rebuilt rather than use those Chinese kits.
Click to expand...
I agree with the rebuilding of an original. I bought one from a yard many years ago but never did anything with it, aging parents were my priority and the car sat for several years. I had the original steering gear rebuilt and struggled many hours with the R&R. I ordered a rebuilt from Summit but it was no where near a match.
 
MC was installed on a spacer bracket in part to make it easier to get to the plugs.

Also, so the same brake pedal assembly could be used for power and non power brakes.

I wish they had done this on B body cars.

Repro boosters are available from several sources.
 

If your Drum brake system is properly set up, it shouldn't need a booster...... Drum brakes are self-energizing, which means that, as the drum turns it grabs the shoes, and wraps them up, which makes them work harder than you might expect, and as the car slows down, you often have to back off the pedal, earlier than you expected to. jus saying.
If you have to stand on the pedal with two feet, something is wrong. Jus saying.
If you install the right heat range copper plugs for your application, and a high-powered coil, you might never have to change them. Mine had over 100,000 miles on them when I finally took them out for a lock-see. They were fine. I changed them anyway, cuz I already took them out. Car did not run any different. Jus saying.
I have had excellent results with a large single diaphragm booster off a mid 70s Swinger. Jus saying.
 
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