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Rear Disc Brake Conversion

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Old Jul 25, 2020 | 11:11 AM
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Default Rear Disc Brake Conversion

Have a 2005 4.7 Quad cab with 9.25 rear end, has anyone done a disc brake conversion?

Thanks,
 
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Old Jul 25, 2020 | 08:55 PM
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Search is your friend.

Found this: https://dodgeforum.com/forum/3rd-gen...version-5.html

Might be others.
 
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Old Jul 26, 2020 | 02:46 PM
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i'll be doing a conversion using parts from a durango and ram sometime in the next few months.
 
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Old Aug 2, 2020 | 03:00 PM
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I'd be interested in this too!

No conclusion on the thread above. Has anyone successfully done this?
 
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Old Aug 3, 2020 | 11:15 PM
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Default Rear Disc Brake Conversion

Hesselhoff,

Please share the finer details with us. Especially the parts list.
 
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Old Aug 16, 2020 | 09:29 PM
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There's actually a few kits available, and factory junkyard options. Since the abs ring is in the diff anything for a 5x5.5 lug 9.25" jeep/dodge/chrysler/plymouth rear-end will work just need everything from the backing plates out(grab the brake line nuts too just incase). I believe the newer rams would be the easiest to source parts for.
 
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Old Sep 4, 2020 | 04:50 PM
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As far as compatible parts go, the list is very short. The 9.25 rear end is made with a bunch of different track widths, so only the Dakota will fit on a Dakota since the Durango using independent rear suspension. The Durango uses the same disc hardware as the ram, but the bolt pattern on the axle housing is different between the disc and drum brakes, so again, will not fit. The next issue would be with the proportional valve inside the master brake cylinder. I'm using a mbc from a durango with discs and will make it work somehow - will need a reservoir from Durango and flexible brake lines as the ports are on the other side of the cylinder. With some drilling or welding I plan on making the rear backing plate work and will provide a how-to if I ever get the time. Interesting thing I found was that the discs on the rear are larger than the front.

 
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Old Sep 5, 2020 | 07:06 AM
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That's a lot of "adaptation" to convert the drum brakes to disc brakes. Is the braking performance improved that much to make it all worth it?
 
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Old Sep 5, 2020 | 10:29 AM
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There's an improvement to braking performance? Nobody told me that. I doing it because I want to and drums suck. There is no weight savings, no real improvement, no cost savings, just less ****ty hardware and they look better.
 
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Old Sep 5, 2020 | 11:52 AM
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Agree, I cannot believe drum brakes are used on any modern vehicle anymore... But then again, this generation of Dakota seems to be a mashup of afterthoughts just to get a midsize out the door (after having this generation for the past 5 years I'm still partial to the 2002 I had).
 
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