Disc brakes

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Yes. To elaborate, these were the Kelsey-Hays 4 piston calipers with 11in vented discs. Some people will try to scare you off these, but they are a robust design and are currently well supported for parts, since they were also used in Mustangs (with a different bolt pattern, obviously, so they aren't a straight swap). Calipers and rotors are available new, no cores required.
 
Max, would you recommend any particular vendor for those?
 
I ordered the calipers online from O'Reillys (the retail locations don't usually have them in stock, bu they can order them). Summit Racing carries the pads, and made-in-USA slotted crossdrilled rotors. The flex hoses are available but hard to find because the parts books don't list them properly (the stores will keep trying to sell you the drum brake version). To avoid frustration I would try a specialty vendor like Layson's or Year One. The same thing with the master cylinder -- if you don't already know what it should look like, it is easier to get it from a specialist, though you have to pay a little more.
 
Hi. Totally agree with mvh on the brakes. Very good system. Flex hoses are not hard to find at all. NAPA # is 36654 and are relatively inexpensive also. I used the 1973 master cylinder just because of availabilty over the earlier style and have had no problems at all. Bobby
 
And they work awesomely on my streeter 68 FormulaS clone. My kit is from a 70 Duster. That makes the parts 45 years old. Except the teflon-lined/braided hoses, which are 15 yrs old. And the newer pads.

As to the kit; This is what it consists of: everything between the control arms, the matching Proportioning valve, and possibly smaller rear wheel cylinders and/or at least 10 inch rear brakes, the master cylinder/booster.
Between the arms is; the spindles,the rotors with hubs,bearings,washers spindle-nuts and studs,the calipers,hoses, splash-shields, and lower BJs.
If you dont have a sway bar, but would like to run one; you will need to get one that fits your K-member. There is one for the 72 and older Ks, and a different one for the 74 and newer Ks. I mention this because the sway bar mounting tabs are in different places on the lower control arms(LCAs),between these two styles, so if your LCAs dont have tabs, you might as well order(used) the correct LCAs that you may need. It is also possible to fab up some tabs yourself, if you are handy with a welder,etc.
While its possible to reuse your dual manual m/c(remove the residual valve to the front brake system), its highly recommended to swap it out for the correct dual disc-brake m/c.The chambers are sized differently,in addition to the rear-brake-only R-valve. The bore sizes are also different. And its also advisable to at least consider a booster. With the loss of the self-energizing drum brake system, quite a bit more leg-power is required, to do the same stops as before.
I think thats everything.
 
I rebuilt a set for my Dart, and I wasn't impressed. I had braking issues. They got hot once (going down a hill) and after that the brakes were extremely mushy. But it could have been a factor of a couple things (converted to manual brakes w/ adjustable pushrods, rear drums needed some maintenance, cheap pads up front, and very skinny and tall tires). Finding parts wasn't all too difficult, just pricey.
 
gclintonmopars (any relation to Bill?),

What these guys aren't telling you is that you need different spindles for K-H brakes, and those are only available used (quite rare). The dust shields would be nice (not essential), and are rarer still. You also need at least 14" wheels to clear the calipers.

You occasionally see a complete setup on ebay, priced $200+ even if rusty/gunky, with >$100 shipping. The guy in post #2 offered a beautiful refurb'ed set a few times for ~$750, which is a great deal compared to the rusty stuff. For the same price, you could get a new Wilwood brake kit (and others), but wouldn't be classic.
 
Musta bin some hill. Sounds like the fluid boiled.

Meh, it was actually a mountain road...

[ame="https://www.youtube.com/watch?v=xE4UE3k6ZUs"]1968 Dodge Dart Driving Glendora Mountain Road 3 - YouTube[/ame]
 
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