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A body Front Brake Lines #58369
05/13/08 10:20 AM
05/13/08 10:20 AM
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Stroudsburg, PA
Erik Offline OP
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Are the front brake lines on a '68 A-body the same for both drims & discs? I am changing my 'cuda from manual front drums to manual front discs.

Thanks!


1970 Challenger Convertible soon to be T/A convertible

Contrary to the opinions of some, I am not dumber than I look.
Re: A body Front Brake Lines [Re: Erik] #58370
05/13/08 03:16 PM
05/13/08 03:16 PM
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Daty Rogers Offline
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The hard lines from the block to the rubber line are the same, the rubber hose needs to be changed according to whick caliper and where it is hung.

-Daty

Re: A body Front Brake Lines [Re: Daty Rogers] #58371
05/13/08 03:27 PM
05/13/08 03:27 PM
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Erik Offline OP
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Thanks! The hard lines are what I was concerned about.

How about going to/from the proportioning valve? Do the hard lines fit both the drum and disc proportioning valves? I assume from the response above that they do.


1970 Challenger Convertible soon to be T/A convertible

Contrary to the opinions of some, I am not dumber than I look.
Re: A body Front Brake Lines [Re: Erik] #58372
05/15/08 03:55 PM
05/15/08 03:55 PM
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Erik Offline OP
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Another question - are the master cylinders the same for manual drum cars and manual disc/drum cars? Some parts places I have looked at list different ones and some list the same MC for both applications.

Thanks again!


1970 Challenger Convertible soon to be T/A convertible

Contrary to the opinions of some, I am not dumber than I look.
Re: A body Front Brake Lines [Re: Erik] #58373
05/16/08 01:09 PM
05/16/08 01:09 PM
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All the hard lines are the same, drum or disc. The MC is different as disc calipers require more brake fluid to operate. Look at an "original" disc master and you'll notice that the resevoir for the disc side is substantially larger than the drum side. On 4 wheel drum the reservoirs are the same size.
smart conversion Erik, and cool ride. I wish one of my b'cudas was a convertible

Re: A body Front Brake Lines [Re: nomore65BelvJim] #58374
05/16/08 01:23 PM
05/16/08 01:23 PM
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Erik Offline OP
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Quote:

All the hard lines are the same, drum or disc. The MC is different as disc calipers require more brake fluid to operate. Look at an "original" disc master and you'll notice that the resevoir for the disc side is substantially larger than the drum side. On 4 wheel drum the reservoirs are the same size.
smart conversion Erik, and cool ride. I wish one of my b'cudas was a convertible




That's what I thought. I guess I got confused by the different websites!

It will be a fun ride when it is done. I started to put together a 340 blocked stroker for it this week.

Thanks!


1970 Challenger Convertible soon to be T/A convertible

Contrary to the opinions of some, I am not dumber than I look.
Re: A body Front Brake Lines [Re: Erik] #58375
05/16/08 01:53 PM
05/16/08 01:53 PM
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Zzyzx Road
beepbeep Offline
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Erik, not sure about '68, but in '67 they used the prop valve inline between the metering block and rear lines.

4431572-junkbrakes.jpg (60 downloads)

Amazing how an unchallenged lie can become the absolute truth.
Re: A body Front Brake Lines [Re: beepbeep] #58376
05/16/08 02:04 PM
05/16/08 02:04 PM
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Erik Offline OP
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Quote:

Erik, not sure about '68, but in '67 they used the prop valve inline between the metering block and rear lines.




Good point.

The disc system I got is actually a '69 setup off of another 'cuda. I only got one metering block in the setup. I think the setup was the same for 68 & 69 - can anyone confirm? If so, am I missing any valve/block?

I'll have to look in my '68 service manual tonight (just got it yesterday).


1970 Challenger Convertible soon to be T/A convertible

Contrary to the opinions of some, I am not dumber than I look.
Re: A body Front Brake Lines [Re: Erik] #58377
05/16/08 02:19 PM
05/16/08 02:19 PM
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Daty Rogers Offline
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Quote:

Quote:

Erik, not sure about '68, but in '67 they used the prop valve inline between the metering block and rear lines.




Good point.

The disc system I got is actually a '69 setup off of another 'cuda. I only got one metering block in the setup. I think the setup was the same for 68 & 69 - can anyone confirm? If so, am I missing any valve/block?





I thought there was only one metering block on a KH system. I'm not a lot of help here since I switched from 9" drums to Cordoba brakes and a tsm rear disk out back. I left the splitter in place and haven't felt the need for a porp. valve on the rear line since my fronts lock up first. If you got a 69 setup complete I'd install it as is.

BTW you will need new lines between the mc and porp. valve.

-Daty

Re: A body Front Brake Lines [Re: Erik] #58378
05/16/08 02:39 PM
05/16/08 02:39 PM
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Zzyzx Road
beepbeep Offline
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Appears to be the same '67-'69, and the B body valve appears to have changed sometime in '67.

4431647-junkbrakes1.jpg (45 downloads)

Amazing how an unchallenged lie can become the absolute truth.
Re: A body Front Brake Lines [Re: Daty Rogers] #58379
05/16/08 07:32 PM
05/16/08 07:32 PM
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nomore65BelvJim Offline
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Quote:


BTW you will need new lines between the mc and porp. valve.

-Daty




why do you say that?

Re: A body Front Brake Lines [Re: nomore65BelvJim] #58380
05/17/08 08:58 PM
05/17/08 08:58 PM
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God's Country Maryland
GODSCOUNTRY340 Offline
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You will need the delay valve (pictured above as Compact valve) to complete your job. See it in this picture. Without it your rear brakes will lock up too soon. Pic is of a '69 Dart GTS with manual disc brakes.

4434029-DSC04267.JPG (36 downloads)

I love the smell of Deer guts in the morning, it smells like... VICTORY!
Re: A body Front Brake Lines [Re: GODSCOUNTRY340] #58381
05/17/08 09:00 PM
05/17/08 09:00 PM
Joined: Aug 2006
Posts: 2,497
God's Country Maryland
GODSCOUNTRY340 Offline
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Another pic in relation to the distribution valve.

4434036-DSC04266.JPG (47 downloads)

I love the smell of Deer guts in the morning, it smells like... VICTORY!
Re: A body Front Brake Lines [Re: GODSCOUNTRY340] #58382
05/19/08 10:47 AM
05/19/08 10:47 AM
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Stroudsburg, PA
Erik Offline OP
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I looked yesterday & it turns out I did get both valves so I am all set!

Now to clean them & get them ready.


1970 Challenger Convertible soon to be T/A convertible

Contrary to the opinions of some, I am not dumber than I look.
Re: A body Front Brake Lines [Re: Erik] #58383
05/19/08 01:38 PM
05/19/08 01:38 PM
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JohnRR Offline
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Quote:

Thanks! The hard lines are what I was concerned about.

How about going to/from the proportioning valve? Do the hard lines fit both the drum and disc proportioning valves? I assume from the response above that they do.




the valve on the frame is a distribution block , its the same part disc or drum .

Re: A body Front Brake Lines [Re: Erik] #58384
05/19/08 01:42 PM
05/19/08 01:42 PM
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JohnRR Offline
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Quote:

I looked yesterday & it turns out I did get both valves so I am all set!

Now to clean them & get them ready.




you still might have an issue with the rears locking too soon , get a pair of those small rear wheel cylinders that ebooger sells , they will help lessen it .

Re: A body Front Brake Lines [Re: nomore65BelvJim] #58385
05/19/08 02:08 PM
05/19/08 02:08 PM
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Daty Rogers Offline
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Quote:

Quote:


BTW you will need new lines between the mc and porp. valve.

-Daty




why do you say that?




In my case the lines switched sides on the mc.

-Daty

Re: A body Front Brake Lines [Re: Daty Rogers] #58386
05/20/08 11:40 AM
05/20/08 11:40 AM
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JohnRR Offline
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Quote:

Quote:

Quote:


BTW you will need new lines between the mc and porp. valve.

-Daty




why do you say that?




In my case the lines switched sides on the mc.

-Daty




obviuosly didn't use an original replacement part , i swapped from a drum master to an NOS disc master and used the same lines .

if he is switching from non power to power he will need new lines .

Re: A body Front Brake Lines [Re: JohnRR] #58387
05/20/08 02:36 PM
05/20/08 02:36 PM
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Stroudsburg, PA
Erik Offline OP
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Quote:

Quote:

Quote:

Quote:


BTW you will need new lines between the mc and porp. valve.

-Daty




why do you say that?




In my case the lines switched sides on the mc.

-Daty




obviuosly didn't use an original replacement part , i swapped from a drum master to an NOS disc master and used the same lines .

if he is switching from non power to power he will need new lines .




Staying non-power. I did order new lines as the old ones look like they are ready to quit. Better to be safe than sorry!


1970 Challenger Convertible soon to be T/A convertible

Contrary to the opinions of some, I am not dumber than I look.
Re: A body Front Brake Lines [Re: JohnRR] #58388
05/20/08 03:03 PM
05/20/08 03:03 PM
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Daty Rogers Offline
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Quote:


In my case the lines switched sides on the mc.


obviuosly didn't use an original replacement part , i swapped from a drum master to an NOS disc master and used the same lines .





previous owner issues more than likely, there were a lot of things not right with my vert when I got it.

-Daty

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