Brake Booster
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New User
Joined: Nov 2013
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Brake Booster
Son's truck is a 71 F100. Has front disc from a 78 F100 but it needs a new master cylinder. Mom wants me to add power brakes.
Question: is there any issue with just putting in a later model brake booster (like a 78) or is there some magic to the specialty shop conversions I see for 3 to 4 times the cost?
Also does it require a firewall bracket or can I attach the booster directly to the firewall?
Thanks in advance for your help.
Question: is there any issue with just putting in a later model brake booster (like a 78) or is there some magic to the specialty shop conversions I see for 3 to 4 times the cost?
Also does it require a firewall bracket or can I attach the booster directly to the firewall?
Thanks in advance for your help.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
No issues. The 'gotcha' is typically the actuation rod length.
Booster bracket required. My booster and MC donor was a 75... works great.
Booster bracket required. My booster and MC donor was a 75... works great.
Last edited by HIO Silver; Jun 6, 2016 at 02:58 PM. Reason: Corrected booster year.
Lead Driver
Joined: Apr 2011
Posts: 6,399
Likes: 40
From: El Dorado, Arkansas
It's probably better to stick with the '77 and earlier boosters. Things got changed up a lot by '78/'79 that can easily cause fitment issues in a Bumpside.
I have a factory Bendix dual diaphragm booster/brackets on my '69 F100 that came from a '75 F350. My front discs/suspension came from a '77 F100.
I have a factory Bendix dual diaphragm booster/brackets on my '69 F100 that came from a '75 F350. My front discs/suspension came from a '77 F100.
Lead Driver
Joined: Apr 2011
Posts: 6,399
Likes: 40
From: El Dorado, Arkansas
I THINK the '75-'79 F150s came standard with power brakes but was optional on '73-'79 F100s.
Mountain Pass
Joined: Nov 2013
Posts: 150
Likes: 1
From: Sacramento
My 77 F100 Custom came with front disc brakes, no power booster. I just added a booster, firewall bracket, and the brake pedal from a 75 F100. All worked great. Oh yeah, also bought a new power master cylinder.
I highly recommend getting the brake pedal from the donor vehicle. Brake light switch would not have worked with original manual brake pedal. FYI.
Rich
I highly recommend getting the brake pedal from the donor vehicle. Brake light switch would not have worked with original manual brake pedal. FYI.
Rich
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Lead Driver
Joined: Apr 2011
Posts: 6,399
Likes: 40
From: El Dorado, Arkansas
To my knowledge, the Bumpsides (F100-F350) only used one type of brake pedal. The '73-'79 Dentsides had various brake pedals.
Comparing Clutch/Brake Pedals and Brackets - FORDification.com
Comparing Clutch/Brake Pedals and Brackets - FORDification.com
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Posting Guru
Joined: Dec 2001
Posts: 1,668
Likes: 3
From: Lincoln USA
Yes, I know I'm late to the party, but as far as the brackets go, you can get them here. About 2/3 of the way down the page on the right hand side.
Flashback F100's - New Products This page has new parts that have just come on the market
Flashback F100's - New Products This page has new parts that have just come on the market
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 790
From: Simi Valley, CA
UltraRanger: 1967 F100/350 brake pedal is 1967 only (C7TZ-2454-D). 1968/72 F100/350 brake pedal is different (C8TZ-2454-E).
1973/79 F100/350: There are 22 different brake pedals, 19 different power brake boosters, 17 different master cylinders, 7 different clutch pedals, I kid you not!
Cargo Master
Joined: Dec 2006
Posts: 2,511
Likes: 9
From: hinckley ohio
I had a 79 booster set up on my 68 with the rest of the brake and steering parts from a 77. The 78-79 pedal is different. Like NumberDummy posted above there are a bunch of different pedals.The power brake pedal do say power on them. I wound up with a 77 power pedal That worked great. The original pedal was very high off the floor. The 78-79 pedal was so low to the floor. You probably could drill your own hole in the pedal to set the ht.
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