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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Brake Booster Help

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Old Apr 30, 2006 | 09:31 AM
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Brake Booster Help

Now I'm wondering what type of brake booster would I need for 12 9/16" front disc with 2 piston calipers and 12x3" rear drums? I'm mounting it under the floor and I'm going to use the stock pedal assembly. I can only fit a 7" booster but do I get a single or dual diaphram booster? The donor truck used a 10" booster. I want firm brakes but I don't want them to be very sensitive.
 
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Old Apr 30, 2006 | 09:42 AM
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Here's one option:


Stock C30 Hydroboost and master cylinder fits pretty well. Requires modifications to the stock brackets and a power steering pump capable of driving it.
 
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Old May 1, 2006 | 01:13 AM
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Use a Midland, it's what was on the F-100s as an Option, as the Hydrovac was on the F-250s & up.
 
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Old May 1, 2006 | 08:55 AM
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I'm going to be using a new master cylinder that came originally from the donor truck. I can get 3 aftermarket boosters for it, a 7", 7" dual diaphram and a 8" dual diaphram. The 8" is too big so I'm wondering if I'll have enough pressure with a 7" single diaphram booster?
 
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Old May 1, 2006 | 01:29 PM
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As I recollect, that's the size that originally came as the option.
 
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