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3/4 ton caliper brackets for a 1972 D44.

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k5xjfiles

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Does anyone know what all years Caliper brackets I might be able to use to put 3/4 rotors on my D44? I already have the big bearing spindles, and 8 lug hubs, but do not have the larger brackets required for this upgrade.
Thanks!
 
k5xjfiles said:
Does anyone know what all years Caliper brackets I might be able to use to put 3/4 rotors on my D44? I already have the big bearing spindles, and 8 lug hubs, but do not have the larger brackets required for this upgrade.
Thanks!
Click to expand...
Those are the hardest parts to find.
The good thing is 8 lug backing plates are all the same but they are getting all snatched up.
I am trying to find an easy way to modify my 6 lug setup to work but I need to finish making the jig
 
USSkoval said:
Someone reproduces them, but I don't remember who. Around $400 I think.

***edit***
It's hillbillywizard, lol

www.hillbillywizard.com

Dana 44 or GM 10B 8 lug brake bracket set

Hillbilly Wizard where passion meets engineering excellence
www.hillbillywizard.com www.hillbillywizard.com
Click to expand...
Then thats your option unless you find factory .

I do not get on his page much so i did not know he made them .
 
sweetk30 said:
Then thats your option unless you find factory .

I do not get on his page much so i did not know he made them .
Click to expand...
Yeah a little much.
I still find complete axle for that much.
Used to pay $250 for a complete 8 lug front, now they want $500 to $800
 
You can get them on eBay sometimes, but you know what's happened to square body prices on there. My plan is to pick up a whole front axle. You get a lot of spare parts, too.
 
Yeah, found them on ebay for around $500 or so......trying to figure out if 1/2 ton ones can be modified safely...
 
k5xjfiles said:
Yeah, found them on ebay for around $500 or so......trying to figure out if 1/2 ton ones can be modified safely...
Click to expand...
The only ones that can be safely modified the way I want to is the older full circle thick metal.
The mounting point needs to move outward.
 
imiceman44 said:
The only ones that can be safely modified the way I want to is the older full circle thick metal.
The mounting point needs to move outward.
Click to expand...
Do you have a sketch of how that would be done? The 1/2-ton rotor is 11.866" and the 3/4-ton is 12.5", so you need the holes about 5/16" further from the centerline. Just slice it like below and add some flat stock in the gap? How do you know it won't hit the rotor around the outside diameter?

1763733212623.png
 
Blue85 said:
Do you have a sketch of how that would be done? The 1/2-ton rotor is 11.866" and the 3/4-ton is 12.5", so you need the holes about 5/16" further from the centerline. Just slice it like below and add some flat stock in the gap? How do you know it won't hit the rotor around the outside diameter?

View attachment 517382
Click to expand...
Something like this where you slide the mounting points out and weld, then fill the gap.

20251121_062703.png
 
k5xjfiles said:
Yeah, found them on ebay for around $500 or so......trying to figure out if 1/2 ton ones can be modified safely...
Click to expand...
Rotor dia is bigger so backing plate is bigger . And its brakes why have a maybe modification on the axle that does the most brake work .
 
USSkoval said:
Isn't the offset different between the two as well?
Click to expand...
No just bigger diameter.
I have both and already figured it out a long time ago but I have not done it yet because I haven't needed it yet.
All mine are 8 lug already
 
sweetk30 said:
@hillbillywizard this would be a good item to add to your growing list of reproduced items .
Click to expand...
We already did it!
USSkoval said:
Someone reproduces them, but I don't remember who. Around $400 I think.

***edit***
It's hillbillywizard, lol

www.hillbillywizard.com

Dana 44 or GM 10B 8 lug brake bracket set

Hillbilly Wizard where passion meets engineering excellence
www.hillbillywizard.com www.hillbillywizard.com
Click to expand...
Appreciate you guys taking a look and sharing them. These ended up being more costly to produce that we hoped, but we do have them in stock.
 
I just went through this. I had to purchase front and rear axles just for the backing plate. $500. Now I feel like I need another k5 lol.

I thought about buying new. I missed out on a few deals where I could have had the backing plates.
 
If I cant find any for a reasonable price, would a six to 8 lug adapter be an option? If so it would probably make the front width too wide...I already have 35s mounted on the steel wheels I plan on using.
 
I think you'll find that nobody offers a 6-8 lug adapter. If you compare the 2 hole patterns it's obvious there is no safe way to drill it. So that would put it into a 2-piece adapter, which would add a ton of width.

EDIT: I found an example. I don't know if these are really very strong or not, but it helps illustrate the difficulty. These come in at 2" thick. That might work with something like H1 wheels.

1764015148567.png


1764015238537.png
 
Last edited:
Blue85 said:
I think you'll find that nobody offers a 6-8 lug adapter. If you compare the 2 hole patterns it's obvious there is no safe way to drill it. So that would put it into a 2-piece adapter, which would add a ton of width.

EDIT: I found an example. I don't know if these are really very strong or not, but it helps illustrate the difficulty. These come in at 2" thick. That might work with something like H1 wheels.

View attachment 517735


View attachment 517736
Click to expand...
Some people say that wheel spacers will kill a bus load of nuns. I am 100% not in that crowd... but those 2-piece adapters like that scare me.
 
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