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Rear disc brakes anybody try this?

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Old 04-12-2013, 06:20 AM
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Originally Posted by sls001
No - the discussion is on the type of emergency brake... most all modern rear disk brakes have drum type e-brakes inside of the rotor hat.
Ah yeah, deff on the drum parking brake. I was looking at the EGR conversion and I like their setup. You lose a lot of surface coverage though on the disk brakes. They to offer a larger caliper with strong clamping power. Something to look into;

http://www.egrbrakes.com/index-main.htm
Old 04-12-2013, 08:56 AM
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Originally Posted by deanhinsley1963
Guys instead of trying to make the e-brake work on rear disc conv. why not use something like a hurst line lock? That would lock the discs on front and release with the touch of a button.
LLs leak fluid back it to the master.

Next thing you know your truck is on top you, hopefully your not on the boat ramp.
Old 04-12-2013, 09:11 AM
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Line locks are electrical (not a legal emergency brake) and not designed for continous duty.

I have thought about a hand valve for the hydraulic system but it isnt really legal not being a secondary system.

I did a disk conversion on y old chevy and they work well but it was an auto so no ebrake wasnt a big deal. I wouldnt even think about a disk conversion on a manual without a stout, reliable ebrake system.
Old 04-12-2013, 11:45 AM
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Originally Posted by bannerd
Ah yeah, deff on the drum parking brake. I was looking at the EGR conversion and I like their setup. You lose a lot of surface coverage though on the disk brakes. They to offer a larger caliper with strong clamping power. Something to look into;

http://www.egrbrakes.com/index-main.htm
I have the egr kit on mine and if you apply the parking brake normally, it is kind of a weak hold. If you apply the truck brakes while setting the parking brake, it holds like all getout. I tested it by applying the p-brake and putting it in gear to see it will move and it does not move at all when the p-brake is set this way. As far as launching my boat, I always turn off the engine and leave it in gear with the p-brake. The ramp that I use into the Sea of Cortez is a bit iffy and the truck would be plain gone if it goes into the sea. Most of the time there is a guy with a tractor that will put you in and take you out for about 20 bucks, well worth it to not have to dip your rear end in salt water...Mark
Old 04-12-2013, 12:46 PM
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Originally Posted by sls001
While I agree the internal drum e-brake is a better design there is nothing wrong with the eldorado calipers. The single most important thing with them is to properly adjust them before connecting the brake hoses and bleeding them.

Install them, with the spring off the e-brake arm, ratchet them up until tight, reinstall the spring, connect the brake cables and adjust the e-brake then install the brake hoses and bleed. Then recheck e-brake adjustment.

I worked on many back in the day and they used the same caliper type on the anniversary model Trans-Ams
I did a Dis brake conversion on my 8 3/4 in my old 68 Chrysler wagon. It uses this type of caliper. It took me a lot of time, and effort, to finally get the calipers set up properly so the E-brake would work.

I too would prefer an internal drum E-brake system on a rear disc conversion.
Old 04-13-2013, 07:17 AM
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Originally Posted by bobva
LLs leak fluid back it to the master.

Next thing you know your truck is on top you, hopefully your not on the boat ramp.
What about a Mico lock, like is used on big trucks and heavy equipment.
Apply the brake pedal, through the lever on the Mico lock and then release the pedal and your brakes are set. They are used as parking brakes to indefinitely hold 20k plus pounds, I think they would hold our tiny, little 7k pound trucks.
I know this has been discussed before.
Old 04-13-2013, 01:54 PM
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Why not just find a factory disk braked Dana 70 or 80 from a 2001.5 or 2002 and sell your original to offset the cost?

Thats what I did. E- brake works fine.

Has been in for about 5 years now.
Old 04-13-2013, 02:29 PM
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Originally Posted by GLHS
Why not just find a factory disk braked Dana 70 or 80 from a 2001.5 or 2002 and sell your original to offset the cost?

Thats what I did. E- brake works fine.

Has been in for about 5 years now.
Did not know about that set up untill about 3 hours ago.

looked on CL found 1 with in a mile for me. Ill look at it Tomorrow.
Old 04-13-2013, 02:34 PM
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Originally Posted by GLHS
Why not just find a factory disk braked Dana 70 or 80 from a 2001.5 or 2002 and sell your original to offset the cost?

Thats what I did. E- brake works fine.

Has been in for about 5 years now.
Got one question can I remove the brakes off the dana 80 and put them on my dana 71
Old 04-13-2013, 04:03 PM
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Originally Posted by bobva
Got one question can I remove the brakes off the dana 80 and put them on my dana 71

Never mind found this https://www.dieseltruckresource.com/...d.php?t=305318

The D80 I found is 3.55 open.

That means LSD install and find a D60 3.54 for the front end.

To bad someone didnt make a adapter.
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