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Old January 22nd, 2011, 03:04 PM   #1
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Default D70 drw - disk brake help

I have a 70-75 dodge rear D70 drw.

---------------------------------------------------------
build date: 11 10 2a8
BOM: 603285
1971-75 M300 & P300 Motor Home & Delivery Van
603285-4 Standard 4.56 706048-3X 706082X 706084X 706085X 35091-1 35091-1
---------------------------------------------------------


I bought this disc braket but now i see it wont work since its for a GM axle not this one.

https://www.4wdfactory.com/store/pro...7;2C-GM-Dually

anyone have any leads on what brakets i wil need?
also what disks etc, i totally f'd up with the wrong info but now cannot find any info on what works with this axle

Last edited by Pokerob; January 22nd, 2011 at 03:11 PM.
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Old January 22nd, 2011, 03:06 PM   #2
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no link
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Old January 22nd, 2011, 03:07 PM   #3
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probably best off to buy the weld on ones
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Old January 22nd, 2011, 03:13 PM   #4
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probably best off to buy the weld on ones
do you have a link?
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Old January 22nd, 2011, 03:24 PM   #5
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aa-mfg.com
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Old January 22nd, 2011, 03:24 PM   #6
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http://www.ruffstuffspecialties.com/...3c51e2560ed458
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Old January 22nd, 2011, 04:58 PM   #7
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A Link and good price.


http://www.ballisticfabrication.com/...ts_p_1439.html
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Old January 22nd, 2011, 05:13 PM   #8
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Id go with ballistic ones I ordered a set of disk brake brackets for my Dana 60 rear they sent me the wrong ones and wouldn't do anything about went with ballistic they were right and a lot better and nicer to
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Old January 22nd, 2011, 07:54 PM   #9
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Default another problem: disk to hub

thank you guys for all the help, i am going to order some up.


Ok no i have run into the problem where the disk does not fit over the hub??

its not just the center hole its that the hub is to big for the disk to fit over the hub. I will go get a pic.
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Old January 22nd, 2011, 08:06 PM   #10
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here the rotor will not fit over the hub


can i run it behind the hub? like this? i have to find different studs etc


wish i would have just found a 14b drw now
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Old January 22nd, 2011, 08:33 PM   #11
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that is the way it goes on most any rear disc conversion, your drums slide on or held on by the studs? If studs you should be able to use the old ones
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Old January 22nd, 2011, 08:34 PM   #12
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Quote:
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that is the way it goes on most any rear disc conversion, your drums slide on or held on by the studs? If studs you should be able to use the old ones
they just wont slide over.

either they are the wrong discs or the hubs are just to big.

the discs are
72 - 87 Chevy 3/4 Ton Rotors (front 4x4)
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Old January 22nd, 2011, 08:41 PM   #13
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You have it right was asking how the drum was held on?
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Old January 22nd, 2011, 08:48 PM   #14
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You have it right was asking how the drum was held on?
i never had the drums.

so the studs go through the rotors to the hub then?

i cant use the orinal studs due to them being to big for the rim. I need to use a smaller stud (front 60 size dia) so the h1 rims fit. the d70 studs are quite alot bigger.
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Old January 22nd, 2011, 08:53 PM   #15
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Ya had a drw 60 with the 5/8's studs , yes studs press through the rotor just like a front 60. Check the diameter but might be able just get front studs for a chevy/dodge 60
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Old January 22nd, 2011, 08:57 PM   #16
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i brought in my hub and rotor to napa and spent about an hour there looking through studs.

The only ones that are long enough that will work have too big of a shoulder for the rotors.

To make these work i will either have to turn down the stud shoulders or drill out open up the disc hole.

I am opting to opening up the disc hole.
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Old January 22nd, 2011, 09:06 PM   #17
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Ya just open up the rotor holes a bit
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Old January 22nd, 2011, 09:13 PM   #18
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Quote:
Originally Posted by Jeepaholic View Post
Ya just open up the rotor holes a bit
there has to be a better way for this junk.

drilling out 16 holes so the studs fit sucks

at least i know some people who work in shops where they can just plop it on the machine and done.
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Old January 22nd, 2011, 09:19 PM   #19
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Wouldn't be custom if it didn't involve work
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Old January 22nd, 2011, 09:31 PM   #20
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Wouldn't be custom if it didn't involve work
true.

thank you for all the help, i was 2nd guessing myself on the studs holding on the disk.

now i just need to do it, take pics then post it for others.

well unless it doesnt work
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