68 disc brake conversion
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New User
Joined: Feb 2000
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68 disc brake conversion
I am half way through converting my 68 F100 to disc brakes. Today I installed the booster from a '78. My problem is the brake petal does not retract as far as it used to, there is around an inch before it contacts the brake light switch and it doesn't line up with the clutch petal. Do I need a brake pedal from the '78 also or is there something else I am missing? Any advice would be appreciated.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
68 disc brake conversion
Drill another hole in the booster arm to lower the pedal. I think I drilled about 1 1/8" down the shaft. You want the pedal pretty far down as it travels less. 
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John
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In the cool still quiet of night, you can hear chevies rusting away.
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John
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[link:www.ford-trucks.com/users/jowilker|My Club FTE Page] Member since 01 01
[link:www.ford-trucks.net/users/jowilker/NCFTE.html|NCFTO] North Carolina Ford Truck Owners Group
In the cool still quiet of night, you can hear chevies rusting away.
New User
Joined: Feb 2002
Posts: 9
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From: Opelika United States
68 disc brake conversion
The brake pedal will no longer match up with the clutch pedal. I took the power brake pedal out of the donor truck and put it in my 70 truck and it worked great. My donor truck was also a 78 model.
