68 brakes
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From: anderson sc
68 brakes
Hi I'm new. You all have a real nice forum here! Finishing another one's work on a 1968 F100 SB, C4auto, 5.0, carb., brake swap that was not done. Swap was from a 1979 truck. I bought this not finished. The brake booster is from a 79 truck but the shaft is about 2''+ too short to the pedal? What do I do? I don't have the old brake booster to compare. Seems everything that was done look's ok? Thanks for any input. I'm excited about getting this good old truck back on the road!
Fleet Owner
Joined: Jun 1999
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From: Creedmoor, North Carolina
Anderson, Something is not right. The 73-79 booster arm is too long not too short. Was the pedal swapped? Maybe if you post the number on the booster ND can deciffer it, and we can help you get it worked out.
John
John
Ford Parts Specialist
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From: Simi Valley, CA
Welcome to FTE
Ford brake pedals are marked with an ID number.
The brake pedal used on all 1968/72 F100/350's is the same with or without power brakes.
1973/79 F100/350: There are 22 different brake pedals. TWENTY TWO!
In addition to the booster ID number that John mentioned above, look on the side of the brake pedal for the ID number...post these ID numbers.
If there is no booster ID number, measure its diameter. That will narrow it down...some...to what it originally came from.
I do not know if the following is the same for 1968/72's...or not...if a booster from a 1973/79 is used. Maybe John knows.
On 1973/79 F100/350's: If power brakes are added, the brake pedal MUST match whatever year/model the brake booster came from.
Ford brake pedals are marked with an ID number.
The brake pedal used on all 1968/72 F100/350's is the same with or without power brakes.
1973/79 F100/350: There are 22 different brake pedals. TWENTY TWO!
In addition to the booster ID number that John mentioned above, look on the side of the brake pedal for the ID number...post these ID numbers.
If there is no booster ID number, measure its diameter. That will narrow it down...some...to what it originally came from.
I do not know if the following is the same for 1968/72's...or not...if a booster from a 1973/79 is used. Maybe John knows.
On 1973/79 F100/350's: If power brakes are added, the brake pedal MUST match whatever year/model the brake booster came from.
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From: anderson sc
Found no numbers on the booster ( been brush painted many times) it is a 10" diameter. Seems if one would take off bracket from booster to fire wall it would be close in working? Seems to be the same pedal, found no number, has the bracket welded on for brake switch. It must of been a manuel, looks like the clutch pedal was cut off. I hope this info. helps! THANK YOU for helping me !!!!!
Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Bill just FYI: I have a 76 booster connected to my 66 (3 spd original) brake pedal. I hope I read your post right. 
This post looks like someone may have modified the booster already or it isn't from where he thinks it is. What do you think?
John
This post looks like someone may have modified the booster already or it isn't from where he thinks it is. What do you think?
John
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
That's what I was asking. When using a booster from a 1973/79 on a 1972 or earlier...the 1972 and earlier brake pedal remains the same.
-----------------------------------------------------------------------------------------------------------------------------------
1973/79: There is no Ford truck power brake booster that is 10.00" in diameter.
The closest to 10.00" is: 1977/79 F350's used a booster that's 9.38" in diameter.
1968/72 F100/350: The booster is 8.94" in diameter.
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Posting Guru
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From: East Flat Rock NC
Hi I'm new. You all have a real nice forum here! Finishing another one's work on a 1968 F100 SB, C4auto, 5.0, carb., brake swap that was not done. Swap was from a 1979 truck. I bought this not finished. The brake booster is from a 79 truck but the shaft is about 2''+ too short to the pedal? What do I do? I don't have the old brake booster to compare. Seems everything that was done look's ok? Thanks for any input. I'm excited about getting this good old truck back on the road!
Welcome to ( FTE ) !
I noticed that you wrote you "don't have the old booster to compare " , what makes you say or
think that your truck had a brake booster prior to the disc brake swap ? Was your truck power
brakes ( DRUM ), before the disc brake swap ? I have another ? is the " ROD " coming from
the booster ( Round ? or a Flat Bar ? ) ? You do Know that a Power Pedal installs and Hangs
Closer to the Floor? Right ! Can you post pictures of your booster and pedal ?
(take a look at this article, and make sure nothing was forgoten)
https://www.ford-trucks.com/article/...rd_Trucks.html
Wally Womack
Last edited by Pro-Street/StateTK; Jun 13, 2009 at 10:47 AM. Reason: adding a article Link !
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From: anderson sc
ordered brake bosster, for 1979 had two types per auto supply co. they are ordering both to see which one would work. That 10" booster did come off a 79 150. My 68 had manual drum brakes. The rod on the booster is round. Can't hook up brake pedal even when the pedal is all the way on the floor. Someone must had changed brake booster on the 79 truck at one time. THANK YOU for helping me out here. Can post pictures not very good with that kind of stuff though. Can I send pictures by attachment or photo bucket way?
Ford Parts Specialist
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From: Simi Valley, CA
per auto supply co. they are ordering both to see which one would work. That 10" booster did come off a 79 150. 
There are EIGHT! Four for 2WD, four for 4WD.
The difference: With/without Cruise Control, before/after certain serial numbers.
ALL are 11.00" in diameter.
Posting Guru
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From: East Flat Rock NC
ordered brake bosster, for 1979 had two types per auto supply co. they are ordering both to see which one would work. That 10" booster did come off a 79 150. My 68 had manual drum brakes. The rod on the booster is round. Can't hook up brake pedal even when the pedal is all the way on the floor. Someone must had changed brake booster on the 79 truck at one time. THANK YOU for helping me out here. Can post pictures not very good with that kind of stuff though. Can I send pictures by attachment or photo bucket way?
kinda escapes me , I have not looked over this Subject for a while ,so this is from memory !
I remember seeing a booster setup that I think mounts to the fire wall with just a extended
round "rod" ,but on mine I used the ( Candle--Lever / Bracket Setup ) it steps the Booster
off the firewall ,and uses a Lever system and a flat bar that installs to the brake pedal ,that is
A little long and has to be drilled to mate to the brake bolt mounting point !
Now the 'Rod style' the rod has to be threaded and lengthened ! Has your brake Pedal been
changed or is it still the stock small pedal ? You may want to use the wide power pedal !
Wally Womack
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From: anderson sc
Going to fabricate pedal. Need to replace brake switch held in place by tape, were can I order one. Finish brakes and having drive shaft cut and balance and then be ready to take it for a ride soon! Then I'll start the painting going to be silver on top half and burnt orange bottom half. How do I send picture,s? This is my 30th year in the Home Improvements Business, no more crew,kid all grown paid for, house paid for, parking the 2003 dodge, it's going to me and my old truck. (with my wifes ok of course) THANK YOU FOR YOUR INPUT!
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