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 Post subject: Drum to disc
PostPosted: Sat Apr 11, 2015 5:17 am 
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TBI Slant 6
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Joined: Tue Feb 24, 2015 3:41 am
Posts: 198
Location: South Carolina
Car Model:
How would I go about converting the ol factory drums to disc brakes?


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 Post subject:
PostPosted: Sat Apr 11, 2015 6:59 am 
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EFI Slant 6
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Joined: Sun Mar 08, 2015 12:40 am
Posts: 351
Location: Castle Rock
Car Model:
Well do you want to buy a kit or swap an axle? There are plenty of kits out there but they do cost some. Depending on the type of axle you have it might be cheaper to swap it out.

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 Post subject: disc swap
PostPosted: Sat Apr 11, 2015 8:08 am 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 2132
Location: SF Bay Area
Car Model: 67 dart 2 door hardtop
This question has been asked many times, you'll find lots of threads using the search function.

One key question is if you currently have small bolt pattern (SBP) 5 x 4" are you OK with the very limited choices of wheels, which are: factory steel, ralleye, cragar S/S and Ansen slots. If you upgrade to 5 1/2 x 4", large bolt pattern (LBP). Then wheel choices are greatly expanded, several hundred or more choices.

Once you've answered that question, the disk conversion choices fall into place, and still there are several out there. Many folks go with factory disk brakes from a donor car, but there are many aftermarket choices. The key there is will the setup fit 14" wheels; many aftermarket systems require moving to 15" wheels to accommodate the calipers.

Again, use the search function on this site and read, read, read. You'll get the picture pretty quickly on what upgrading from SBP to LBP entails, with your particular setup.

Brian

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 Post subject:
PostPosted: Tue Apr 14, 2015 7:22 am 
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4 BBL ''Hyper-Pak''

Joined: Tue Dec 16, 2014 11:27 am
Posts: 42
Location: Battle Ground, WA
Car Model:
Front or rear? I upgraded the fronts on this 63 dart with a set of Wilwood Dynalite Drag Race Front Disc Brakes. The hubs can be setup for either a 5x4 or 5x4 1/2 bolt pattern. Right now I'm using the 5x4 until I upgrade the rear end. They are high quality and easily installed. They also work with the 14" wheels I have on the car.

<img src="https://scontent.xx.fbcdn.net/hphotos-xfa1/v/t1.0-9/984295_953100184700299_5318347387825208097_n.jpg?oh=721d76aee751a82b8946ea716ec2556e&oe=55A6CF1B" />

Andrew


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 Post subject:
PostPosted: Tue Apr 14, 2015 8:46 am 
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TBI Slant 6
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Joined: Tue Feb 24, 2015 3:41 am
Posts: 198
Location: South Carolina
Car Model:
Rear


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 Post subject:
PostPosted: Tue Apr 14, 2015 9:09 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13125
Location: Fircrest, WA
Car Model: 76 D100
What rear axle do you have?

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 Post subject: Reed
PostPosted: Tue Apr 14, 2015 9:24 am 
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TBI Slant 6
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Joined: Tue Feb 24, 2015 3:41 am
Posts: 198
Location: South Carolina
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That I don't know. But I'm in the process of changing my shocks so tell me how to check the axle and I'll do so while I'm doing the shocks.


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 Post subject:
PostPosted: Tue Apr 14, 2015 10:15 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13125
Location: Fircrest, WA
Car Model: 76 D100
Look at the cover on the rear axle and find it on this chart:

http://differentials.com/wp-content/upl ... -Chart.jpg

Count the number of bolts holding the rear axle cover on the rear axle as well.

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 Post subject:
PostPosted: Tue Apr 14, 2015 11:02 am 
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Turbo EFI
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Joined: Fri Feb 28, 2003 6:55 pm
Posts: 1046
Location: Strasburg, VA
Car Model:
Quote:
Look at the cover on the rear axle and find it on this chart:

http://differentials.com/wp-content/upl ... -Chart.jpg

Count the number of bolts holding the rear axle cover on the rear axle as well.
It's possible (but unlikely) he has an 8.75 which pulls from the front.

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65 Dart station wagon slant 6 - now under construction
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87 D100 Short Bed slant 6

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Retired US Postal Service 2004-2014


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 Post subject:
PostPosted: Tue Apr 14, 2015 11:10 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13125
Location: Fircrest, WA
Car Model: 76 D100
True. I don't recall what vehicle he is working on (Dart? Truck?), so it is an open question as to what axle he has. Could be 7.25, 8.25, 8.75, 9.25....

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 Post subject:
PostPosted: Tue Apr 14, 2015 11:45 am 
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TBI Slant 6
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Joined: Tue Feb 24, 2015 3:41 am
Posts: 198
Location: South Carolina
Car Model:
80 d150


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 Post subject:
PostPosted: Tue Apr 14, 2015 12:24 pm 
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Turbo EFI
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Joined: Fri Feb 28, 2003 6:55 pm
Posts: 1046
Location: Strasburg, VA
Car Model:
Quote:
80 d150

Chances are it's an 8.25. It so and it's the 5 on 4.5, the the Jeep Grand Cherokee disc swap would be the way to go

_________________
65 Dart station wagon slant 6 - now under construction
47 Dodge Custom 4 Door sedan
87 D100 Short Bed slant 6

Retired USAF 1966-1986
Retired US Postal Service 2004-2014


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 Post subject: what to swap
PostPosted: Tue Apr 14, 2015 12:51 pm 
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TBI Slant 6
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Joined: Tue Feb 24, 2015 3:41 am
Posts: 198
Location: South Carolina
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The rear end or the brakes themselves


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 Post subject: Re: what to swap
PostPosted: Tue Apr 14, 2015 3:06 pm 
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Turbo EFI
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Joined: Fri Feb 28, 2003 6:55 pm
Posts: 1046
Location: Strasburg, VA
Car Model:
Quote:
The rear end or the brakes themselves
The brakes

_________________
65 Dart station wagon slant 6 - now under construction
47 Dodge Custom 4 Door sedan
87 D100 Short Bed slant 6

Retired USAF 1966-1986
Retired US Postal Service 2004-2014


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 Post subject: More info please
PostPosted: Tue Apr 14, 2015 5:04 pm 
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TBI Slant 6
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Joined: Tue Feb 24, 2015 3:41 am
Posts: 198
Location: South Carolina
Car Model:
What year jeep grand Cherokee do I need to get the brakes from and how to do the swap


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