Salsibury rear disc brake conversion merged threadfest - Page 8 - Defender Source
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  #141  
Old March 27th, 2016, 03:21 PM
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Why are you fitting mud shields when most take them off?
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  #142  
Old March 27th, 2016, 04:19 PM
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I'm not planning on installing them. The list is a cut and paste.
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  #143  
Old March 27th, 2016, 05:29 PM
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This is the route I went when converting mine to disc. I already had a set of hubs everything else was purchased new.

http://forums.lr4x4.com/index.php?showtopic=11685
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  #144  
Old March 27th, 2016, 06:27 PM
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Mike Barnett
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Dave, I had FRC8540 for the stub axle, which is the original drum brake stub axle. I think the difference is discussed further up the thread.
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  #145  
Old May 31st, 2016, 12:21 PM
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Half Shaft Problem

I did this conversion in March while rebuilding my 86 110. I just now got to the point where I have the truck almost ready to drive and went to install the half shafts but they are too short?? Any ideas?? I tried the stock drive members and the heavy duty ones.

Here are the parts I used for the conversion:
  1. 2x Caliper brackets (FTC 3306) and have them machined .100" on the caliper mounting side
  2. 2x Non ABS hubs for 88-90 RRC front or rear (they are same) The only difference with 93' 110 hubs is the thread holes for the rotor to mount to. (FRC6139)
  3. 2x Rear RRC/D1 rotors (non-vented)
  4. Post 1994 Disco Calipers and rotors
  5. Disco rear pads
  6. Brake kit for rotors with 4x split pins and 4x anti-rattle springs
  7. 10x rotor mounting bolts
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  #146  
Old May 31st, 2016, 01:04 PM
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I found out that the axle shafts on a Salisbury are different lengths depending on whether they were for a factory disc brake or drum brake setup. Which do you have?
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  #147  
Old May 31st, 2016, 01:09 PM
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There are two ways to do the conversion. One using pre-ABS RRC hubs which uses the drum brake length shafts, the other using factory disc sals parts which uses the disc brake length shafts. On the plus side, sals disc length shafts are (were) dirt cheap. Like 20-25ukp a side.
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  #148  
Old May 31st, 2016, 01:10 PM
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IIRC the difference in length is 3/4" between the earlier and the later style axle shafts
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  #149  
Old May 31st, 2016, 01:14 PM
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Quote:
Originally Posted by One Ten View Post
I found out that the axle shafts on a Salisbury are different lengths depending on whether they were for a factory disc brake or drum brake setup. Which do you have?
My truck had factory drum brakes. Does this mean I need to buy longer half shafts?
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  #150  
Old May 31st, 2016, 01:16 PM
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I think so. I bought them from lucky8. Good prices
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  #151  
Old May 31st, 2016, 01:16 PM
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Quote:
Originally Posted by evilfij View Post
There are two ways to do the conversion. One using pre-ABS RRC hubs which uses the drum brake length shafts, the other using factory disc sals parts which uses the disc brake length shafts. On the plus side, sals disc length shafts are (were) dirt cheap. Like 20-25ukp a side.


These are the hubs I used:

2x Non ABS hubs for 88-90 RRC front or rear (they are same) The only difference with 93' 110 hubs is the thread holes for the rotor to mount to. (FRC6139)


I am not sure how the half shafts ended up being too short?

------ Follow up post added May 31st, 2016 10:17 AM ------

Quote:
Originally Posted by One Ten View Post
I think so. I bought them from lucky8. Good prices
Ok, any chance you have the part numbers still?

I want to make sure I get the right ones!

Thanks much.
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  #152  
Old May 31st, 2016, 01:20 PM
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Drum
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  #153  
Old May 31st, 2016, 01:20 PM
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Disc
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  #154  
Old May 31st, 2016, 01:37 PM
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Frank Rafka
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Not sure if this helps, but here's what I used:

FTC942 or RUB101740 HUBS (RRC 92-94) Hubs (I had a set)
FTC1725 HALF SHAFT LH
FTC1726 HALF SHAFT RH
FTC1740 STUB AXLE (2)
FTC3145 OIL SEALS (2)
RUC105200 DRIVE MEMBER (2)
RTC3129 WHEEL BEARING (4)
FTC3185 BEARING SPACER (2)
FTC3179 STUB NUTS (4)
FTC943 PLASTIC HUB CAP (2)
FTC2783 HUB OIL SEAL (2)
FTC3306 CALIPER BRACKET
STC1268 CALIPER RH
STC1269 CALIPER LH
FTC3846 ROTORS
DA4185 EBC BRAKE PADS

Bolts right up, no machining of the ftc3306...
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  #155  
Old June 2nd, 2016, 03:21 PM
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It turns out I already have the longest half shafts made so there is not an option to buy longer ones, only a shorter set for later axles.

I must have the wrong combo of Hubs, stub axles, rotors that make my stock half shafts too short...
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  #156  
Old June 2nd, 2016, 03:27 PM
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Are you sure? What makes you think they are too short? How much engagement into the diff splines are you getting? AFAIK, there is no way to set things up longer than stock.
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  #157  
Old June 2nd, 2016, 03:56 PM
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You need to refit the drum braked stub axles... the front "disc braked" stubs don't fit onto the salisbury casing very well for a start, and they're too long... as you've just discovered.
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  #158  
Old June 2nd, 2016, 04:00 PM
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Quote:
Originally Posted by Red90 View Post
Are you sure? What makes you think they are too short? How much engagement into the diff splines are you getting? AFAIK, there is no way to set things up longer than stock.
Using the stock drive members the half shafts don't engage the diff at all...

------ Follow up post added June 2nd, 2016 01:01 PM ------

Quote:
Originally Posted by diesel_jim View Post
You need to refit the drum braked stub axles... the front "disc braked" stubs don't fit onto the salisbury casing very well for a start, and they're too long... as you've just discovered.
Ok thank you much. I still have the stock ones I will swap those over this weekend.
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  #159  
Old June 2nd, 2016, 04:08 PM
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See post 87...

Quote:
Originally Posted by Wolf Fabrication View Post
Okay, here we go again. I am embarking on the rear disc conversion now. There has been a little back and forth between Keith and I on the proper parts for my truck. The confusion lies in what hub should go with what stub/spindle. To clear this up, Keith tells me:

"There are three types of factory stubs on Salisbury rear ends.

Really early type 83-85ish work with pre 1993 front hubs only for disc brakes. You have these stubs, I have these hubs.

Early type 86-93ish these work with RRC hubs front or rear (long non abs pattern usually pre 1991) you have these hubs but not the stubs.

Late model 1994 to current. These use Disco 1 hubs. If you have these you already have disc brakes."

Thus for me to keep my stubs, I need early 90 front disc hubs. If I want to use RRC hubs, I need to source Salisbury rear stubs from 1986-1993.
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  #160  
Old December 28th, 2016, 04:20 PM
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