Which Brake Master?
Lead Driver
Joined: Apr 2002
Posts: 8,813
Likes: 13
From: Littleton, New Hampshire
If you had a firewall mounted pedal you could increase the length of the pedal for more leverage. I'm not sure if that could be done with a pedal mounted under the floor. I always forget which way the bore sizes go from manual to power...up or down so if you have a 15/16 bore now perhaps a larger bore will help...not sure. 
Last edited by GreatNorthWoods; Mar 11, 2007 at 05:44 AM.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 784
From: Simi Valley, CA
1961/66 F250's 4X2 or 4X4 with manual drum brakes use a master cylinder that's 1 1/8"
C1TZ-2140-B
Bores increase with power brakes, at least that's what I found while looking for a 1 1/8" master without a power booster (the one I listed is about it). Most of the pre dual master cylinders without a booster are 1 inchers. With a booster the m/c sizes increase to between 1 1/8" & 1 1/4"
C1TZ-2140-B
Bores increase with power brakes, at least that's what I found while looking for a 1 1/8" master without a power booster (the one I listed is about it). Most of the pre dual master cylinders without a booster are 1 inchers. With a booster the m/c sizes increase to between 1 1/8" & 1 1/4"
Last edited by NumberDummy; Mar 11, 2007 at 06:05 AM.
Fleet Mechanic
Joined: Oct 2004
Posts: 1,717
Likes: 506
From: clinton,tn
Originally Posted by Randy Jack
Because I'm concerned that the under floor power brake setup I can buy from most vendors will:
1. Put the master cylinder aft of the floor fill hole.
2. interfere with my (FMX) tranny crossmember.
I am looking for an softer pedal to activate the brakes I have without going to the power brake conversion.
I could go to a hanging pedal setup, but I'm looking for a less complicated option.
Please stop talking about power brakes and answer my question. I'd appreciate that.
1. Put the master cylinder aft of the floor fill hole.
2. interfere with my (FMX) tranny crossmember.
I am looking for an softer pedal to activate the brakes I have without going to the power brake conversion.
I could go to a hanging pedal setup, but I'm looking for a less complicated option.
Please stop talking about power brakes and answer my question. I'd appreciate that.
Thread Starter
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Postmaster
Joined: Jun 2004
Posts: 4,190
Likes: 2
From: Riverside, So Cal
Thanks all for the responses.
Vern, Bill - That was my understanding also - that MC with power are bigger diameter to move more volume. I figured I should be looking for a smaller bore to have a softer pedal, but was concerned that I may not move enough volume to work the disks. I'm a little surprised that my 15/16" diameter is so stiff, when 1-1/8 is a common size for manual brakes. Maybe the problem is the under floor setup limiting leverage.
I'll check out the 65-66 Mustang manual disk MCs.
49 - I haven't seen the No Limit setup, but I like the remote fill idea. I'll check that out also. Power brakes would certainly be a better plan. And if I can squeeze it in there around that crossmember, that would answer my concerns. Thanks.
Colonel - I hadn't thought of blocking you. But thanks for the idea. I'm sure glad you're not trying to offend anyone.
Vern, Bill - That was my understanding also - that MC with power are bigger diameter to move more volume. I figured I should be looking for a smaller bore to have a softer pedal, but was concerned that I may not move enough volume to work the disks. I'm a little surprised that my 15/16" diameter is so stiff, when 1-1/8 is a common size for manual brakes. Maybe the problem is the under floor setup limiting leverage.
I'll check out the 65-66 Mustang manual disk MCs.
49 - I haven't seen the No Limit setup, but I like the remote fill idea. I'll check that out also. Power brakes would certainly be a better plan. And if I can squeeze it in there around that crossmember, that would answer my concerns. Thanks.
Colonel - I hadn't thought of blocking you. But thanks for the idea. I'm sure glad you're not trying to offend anyone.
Postmaster
Joined: Apr 2000
Posts: 3,890
Likes: 9
From: La Verne, California
Originally Posted by Randy Jack
Thanks all for the responses.
Vern, Bill - That was my understanding also - that MC with power are bigger diameter to move more volume. I figured I should be looking for a smaller bore to have a softer pedal, but was concerned that I may not move enough volume to work the disks. I'm a little surprised that my 15/16" diameter is so stiff, when 1-1/8 is a common size for manual brakes. Maybe the problem is the under floor setup limiting leverage.
I'll check out the 65-66 Mustang manual disk MCs.
49 - I haven't seen the No Limit setup, but I like the remote fill idea. I'll check that out also. Power brakes would certainly be a better plan. And if I can squeeze it in there around that crossmember, that would answer my concerns. Thanks.
Colonel - I hadn't thought of blocking you. But thanks for the idea. I'm sure glad you're not trying to offend anyone.
Vern, Bill - That was my understanding also - that MC with power are bigger diameter to move more volume. I figured I should be looking for a smaller bore to have a softer pedal, but was concerned that I may not move enough volume to work the disks. I'm a little surprised that my 15/16" diameter is so stiff, when 1-1/8 is a common size for manual brakes. Maybe the problem is the under floor setup limiting leverage.
I'll check out the 65-66 Mustang manual disk MCs.
49 - I haven't seen the No Limit setup, but I like the remote fill idea. I'll check that out also. Power brakes would certainly be a better plan. And if I can squeeze it in there around that crossmember, that would answer my concerns. Thanks.
Colonel - I hadn't thought of blocking you. But thanks for the idea. I'm sure glad you're not trying to offend anyone.
And just because You believed that was my intent, doesn't make it so.
You're also not the one that has pulled victims out of Wrecked vehicles, some being "Chopped & Channeled" & after the accident investigation it's been found the stuctural failure was due to the new Welds giving way causing the Majority of the Injuries, such as decapitation.
Last edited by Col Flashman; Mar 11, 2007 at 04:02 PM.
Clean & Classy
Joined: Dec 2004
Posts: 1,656
Likes: 20
From: Riverside CA..
You're also not the one that has pulled victims out of Wrecked vehicles, some being "Chopped & Channeled" & after the accident investigation it's been found the stuctural failure was due to the new Welds giving way causing the Majority of the Injuries, such as decapitation.
[/QUOTE]??????????
Postmaster
Joined: Apr 2000
Posts: 3,890
Likes: 9
From: La Verne, California
Old discussion that he took as a personal insult to his welding capabilities.
Even Master Welders under Controlled conditions make mistakes or something they are unable to fore see can transpire, so Any backyard welding is even more suspect.
Even Master Welders under Controlled conditions make mistakes or something they are unable to fore see can transpire, so Any backyard welding is even more suspect.
Last edited by Col Flashman; Mar 11, 2007 at 05:31 PM.
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