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Old 01-31-2010, 10:47 PM   #1
BIGRAM
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Disc brake conversion

I'd like to convert my Dana 70 to disc brakes. Other than the EGR kit, is there anything more affordable?
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Old 01-31-2010, 11:05 PM   #2
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Whats a EGR kit do?

I've put disc brakes on toyota's
a 87 chevy daily driver...14 bolt
and currently my 01 Dodge daily driver
it has a 70
did change to a larger master cylinder on the Dodge
thats it
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Old 01-31-2010, 11:09 PM   #3
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What parts would I need to locate for the swap?

EGR Performance Brakes sell a conversion kit for like $900.
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Old 01-31-2010, 11:43 PM   #4
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Take a look at blackbirdcustomtrucks.com
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Old 02-01-2010, 12:00 AM   #5
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That's a little better.

What are thoughts of a single rotor/caliper at the rear yoke. Good / Bad ?
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Old 02-01-2010, 12:21 AM   #6
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I think that it would get smashed on a traditional pinion. It works on Rocks 'cause of the topload design
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Old 02-01-2010, 06:11 PM   #7
KennyTJ
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Quote:
Originally Posted by BIGRAM View Post
What parts would I need to locate for the swap?

EGR Performance Brakes sell a conversion kit for like $900.
I'll do it for ya for $899 labor included!!!!!

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Old 02-01-2010, 06:29 PM   #8
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I'm going to tackle this one on my own, Thanks though.
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Old 02-01-2010, 09:48 PM   #9
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Quote:
Originally Posted by BIGRAM View Post
I'm going to tackle this one on my own, Thanks though.
I was making a funny ;)

NAPA (or your favorite local autoparts, all pretty close in price)
1975 Chevy 2500/3500 loaded (w/hardware and pads) calipers - $42.99 ea. (after core exchange, they'll take any old core just dig some up!)
1975 Chevy 2500/3500 rotors - $37.99 ea.
Rubber hoses for calipers 12" w/hardware - $15 ea.
hardlines (hand formable) and brass "T" fitting - $20 total

Roughstuff Specialties
brackets w/bolts - $45 per pair (with Pirate4x4 10% discount)

So $257 for all parts for 1 ton disc brakes for a rear axle. You may need a Master Cylinder upgrade depending on your vehicle. I got a 2004 Dodge Ram 3500MC w/big reservoir for my TJ for $109.99 at NAPA. For our YJ I got a 1968 Corvette MC (yes it was a bolt up!) for $16.99 at NAPA. You may need a metering valve if your peddal stroke is to long but they are cheap too.

Like everyone was saying the $900 kit os way tooooo much. I've done a 14Bolt rear and a Dana 60 rear just this winter for the Jeeps and it was a bolt up affair. I did make some tabs to hold the rubber lines in place for the hard line connection, but very sinple fab. It was $55 for the braided 12" caliper lines for a pair if you want to upgrade from rubber. I have also done this on 3 different 8.8 swaps.... supper easy.

Here is a pic of the 14b for a TJ I did (during mock up)..


Here's the last 8.8 for a TJ I did..


The 8.8 parts were dang near same price as the big stuff!!!
BTW- replace all the hub/axle bearings and seals while your at it, it's not expensive either.

The big 4 wheel disc brakes ROCK! especially with big heavier tires!

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