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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Single to dual wheel cylinders questions

 
  #1  
Old 04-08-2012, 10:21 PM
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Single to dual wheel cylinders questions

[IMG][/IMG]My '63 Unibody started pulling to the right while braking and I found that the left front cylinder is leaking. This is a single piston cylinder and I'm interested in replacing the front wheel cylinders with a dual piston cylinders.

So what exact part should I get? I've looked in my NPD and LMC catalogs and searched the brake threads on this site but can't see for sure what I'd need to get.

My plan for now is to take one of the cylinders to the parts store and compare it a later year cylinder.

The rear wheels have dual piston cylinders. Is that normal?

Incidentally I have a power booster/dual reservoir from CPP on the bench that I will be installing asap. I'll document that in a different thread.

Phil
 
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Old 04-08-2012, 11:30 PM
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The Single piston units were a bean counter idea and you will find them on late 62s and 63s. For 64 they were phased out. Taking it to a parts house will only confuse them as they are such a short run.

Use new 64 cylinders and all the brake hardware. You can also update to self adjusting.

If you are using a CCP upgrade now is the time to put disc brakes on it. A speedway kit is only 300 bucks.

Garbz
 
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Old 04-09-2012, 12:03 PM
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Thanks. I will pick up a couple of these '64 cylinders.

I took the problem cylinder out last night- it was mostly full of crud and dirt! So now my to-do list uncludes rebuilding or replacing the rear cylinders as well and flushing the lines...

One thing that puzzles me is, how can the single piston cylinder push both brake pads evenly? And with this in mind, is the dual-piston cylinder install a simple bolt-it-on-and-go thing?

IMG][/IMG]
 
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Old 04-09-2012, 09:02 PM
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It did not...... And yes it is a simple bolt on. All you may need to do is enlarge the bolt holes slightly where the 5/16th bolts come in from behind. If you look at your picture you can see the slot for the cylinder link on the rear facing brake shoe. One of the stupidest things i have ever seen ford do, and it was not only on the F100s

The 64 parts and pieces are readily available.

Brake Drum Self-Adjusting Kit-Front | 1964 Ford F100 1/2 ton P/U 2WD 8 Cylinders 4.8L 2BL OHV | AutoZone.com

Duralast/Brake Drum All-In-One Kit - Front (H7144) | 1964 Ford F100 1/2 ton P/U 2WD 8 Cylinders 4.8L 2BL OHV | AutoZone.com

Brake Hose - Front | 1964 Ford F100 1/2 ton P/U 2WD 8 Cylinders 4.8L 2BL OHV | AutoZone.com

Wheel Cylinder - Front | 1964 Ford F100 1/2 ton P/U 2WD 8 Cylinders 4.8L 2BL OHV | AutoZone.com

The only thing you will need to scrounge up is the brake cylinder link. You all ready have one set between the two old ones, let me know i can drop two in the mail to you.

Garbz
 
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Old 04-09-2012, 11:41 PM
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Thanks Garbz. I already ordered a couple of pins from NPD but I might take you up on that if these don't fit!
 
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Old 04-12-2012, 11:07 PM
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Update: I have all new '64 wheel cylinders and will install them as soon as I get the time.

The brakes project has expanded... the left rear pads were worn to 70% so I decided to go all in on the brakes while I'm at it. New shoes, self adjuster kits and hardware are on the way and I will get the drums resurfaced. Some rusty brake lines will be replaced. With the CPP power booster I should be stopping pretty good. I'll be pulling a travel trailer to bluegrass festivals and camping a few times a year so It's necessary. I'll see how this goes and consider the front disc upgrade later.
 
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Old 04-23-2012, 11:20 PM
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Done!

Well, I finished the brake job tonight on my '63 F100. The job included new booster/master cylinder from CPP, new wheel cylinders all around and changing the front wheel cylinders from single piston to dual, some new brake lines, and new shoes all around.

The booster/master was, as advertised, an easy bolt-on job with absolutely no mods necessary. I connected the vacuum tube to a fitting on the intake manifold- see pic. I had to split the rear brakes off at the junction underneath the driver's seat. This was pretty simple as I used a pre-made brake line from the parts store. This new line was spliced to the rear line and I plugged the junction where it was before. I also replaced both my rusty rear brake lines. The other original lines are in pretty good shape.

I'm glad one of the wheel cylinders started leaking a few weeks ago, because I discovered that all 4 cylinders were completely shot- when you removed the rubber boots they were FULL of dirt, crud and mud. Thanks to Garbz for the heads up that '64 cylinders fit. They bolted right up and were only about $15 each. Since the front cylinders only had one pin each, I ordered two #2042-1 brake cylinder to shoe links from National Parts Depot. They list these as being for '48-56 F-100's but they are an exact match. I also purchased new wheel kits (springs etc) for a '64 but the springs are different, so I ended up reusing the old springs since they are not too bad. [IMG][/IMG]

The brake light switch was plumbed in to the rear brake line and works fine.

This was my first time working on brakes. Like anything new, it's a little intimidating but not bad once you get into it. Assembling the first wheel involved a little head scratching but the other three went quick.

The truck stops great now- it's a night and day difference and I couldn't be happier. Thanks for the great advice here in the forum. Sorry this is a little long-winded but I'm hoping it might be helpful for anyone who's in the same boat as me.
 
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Old 07-03-2012, 06:32 PM
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I'm sure I'm going to have to due the whole thing on my 1961 F100 too real soon.

can you please share the detail on that master cylinder and vaccumm buster combo?? like P/N, and $$, vendor.

thanks.
 
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Old 07-04-2012, 05:03 PM
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$299.00 from Classic Performance Parts: Classic Car and Truck Brake, Steering and Suspension Parts

Looks like the same on will fit your '61 with drum/drum brakes. If you're planning on discs up front, you'll need a different one.
 
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Old 07-04-2012, 05:47 PM
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yea,, since I'm going to do th whole thing,,I may go for the DIsck conversion up the front only,,and keep the drums on the back.
Thanks for the info, I know that the popotioning valve should be diferent,,for Dsck and Drums I'll keep it in mind.
 
  #11  
Old 07-05-2012, 01:35 AM
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I have the CPP master/booster set on my 64, and I did the dual piston conversion on the front... CPP has 3 kits 1)DRUM/DRUM 2) DISC/DRUM, and 3)DISC/ DISC... The drum/drum unit does not have a proportioning valve, and if you have dual piston front and rear you don't need it, but with the single piston front and dual rear aka the standard set up the rears will wear much faster than the fronts, and have a tendency lock up easily. Converting to dual piston fronts will make them all wear evenly... to do so you take the rear dual pistons and you use the left rear on the right front and vice versa. I got my dual pistions from Rock Auto for about $10 each, they were on sale, then you will need the pins that push the shoes.. got mine through a shop that Numbers Dummy hooked me up with. Total conversion to duals with new shoes was about $50 the CPP unit was $300 and change they are only a few miles from where I live... the braking is outstanding, smooth , quiet and very reliable, and amazingly sensitive... I have a lot of miles on it , and frequently haul heavy loads, never a problem. I would suggest installing the self adjuster kits too, but it is not necessary..
 
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Old 06-15-2018, 05:43 PM
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To Jetcopterpilot and Anyone Else With Knowledge on This Subject: I know I'm 6 years down the road from your last message above, but have a 1956 F-250 with single piston wheel cylinders in the front, and would like to know whether the conversion you suggest of putting right rear dual on right front, etc., will work on my truck.
 
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Old 06-15-2018, 07:02 PM
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Originally Posted by 56F250Owner View Post
To Jetcopterpilot and Anyone Else With Knowledge on This Subject: I know I'm 6 years down the road from your last message above, but have a 1956 F-250 with single piston wheel cylinders in the front, and would like to know whether the conversion you suggest of putting right rear dual on right front, etc., will work on my truck.
He hasn't been here on FTE for 9 months, so he might not get your question.

I have no idea how to answer you, but have you asked on the 48-56 forum. There's a whole bunch of smart, nice fellows over there.
 
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Old 06-17-2018, 11:17 AM
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thank you for the suggestion. I will try to find that forum and pitch my question there.
 
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Old 06-17-2018, 11:31 AM
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Originally Posted by 56F250Owner View Post
To Jetcopterpilot and Anyone Else With Knowledge on This Subject: I know I'm 6 years down the road from your last message above, but have a 1956 F-250 with single piston wheel cylinders in the front, and would like to know whether the conversion you suggest of putting right rear dual on right front, etc., will work on my truck.
You are asking this question in the wrong forum, this is 1961/66 forum. You want the 1948/56 forum.
 

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