110 rear disc brake conversion - Defender Source
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  #1  
Old September 8th, 2012, 05:38 PM
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110 rear disc brake conversion

I have a ARB 4.10 setup in the rear axle from my Disco 1 and was thinking about using it in a 110 that currently has drum brakes.
Any reason not to?
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  #2  
Old September 8th, 2012, 05:41 PM
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Other than the weeney spiral beval R&P?
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  #3  
Old September 8th, 2012, 05:55 PM
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I would stick with the rear you already have in the 110 and just buy a new locker / R&P, they should be pretty cheap since they are basically a Dana 60.

Call Keith @ roving tracks and he can get you setup or may tell you if there are any tricks you need to be aware of if you want to do it yourself.

You could swap in the entire disco rear but why? You could sell it, setup your 110 axle and be money ahead not to mention you would have a better product in the end.
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Old September 8th, 2012, 06:49 PM
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I was thinking more about the disc brakes more than the locker; my disco axle set-up has proven itself and is just sitting there under utilised!
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  #5  
Old September 8th, 2012, 07:26 PM
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Does a d60 locker actually fit in a Salisbury?
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  #6  
Old September 8th, 2012, 07:41 PM
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Do you have a Salisbury rear in your 110? The Salisbury is a different locker than the RD128 you mention.
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  #7  
Old September 8th, 2012, 08:22 PM
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Right, I know that the salisbury and the disco are different. I was thinking about just swapping the complete rear axle from the disco for the disc brakes, with the 410 and arb a bonus. I also have the complete front arb 410.
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Old September 8th, 2012, 08:34 PM
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Quote:
Originally Posted by Roverlab View Post
Right, I know that the salisbury and the disco are different. I was thinking about just swapping the complete rear axle from the disco for the disc brakes, with the 410 and arb a bonus. I also have the complete front arb 410.
I figured you did, but the way you worded it had me worried

Obviously the Disco axle is somewhat weaker and not really rated for a heavier 110, but it's a common swap in the UK to gain the disc brakes. My 110 had the swap done when I got it, but I put back in a proper Salisbury and converted it to disc brakes.

I did run the Disco rear axle for 2 years with HD shafts and an ARB rolling on 35s with no issues though.
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  #9  
Old September 8th, 2012, 09:32 PM
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The axle under the disco would be fine under the 110. Rover dropped the salisbury before td5 production and has been using the same rear used in disco's for the past decade+ with the td5"s and puma 110s.
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  #10  
Old September 8th, 2012, 09:51 PM
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35's hmm? Ok, so here's another question: a 200tdi 110 with a 1.6 t-case and 4.10's. What would be a range of tire size choices for on road/off road use?
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  #11  
Old September 8th, 2012, 10:07 PM
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@ 1.6 is 15% lower gearing than stock. The 410's take it almost another 15%. So you are proposing gearing that is 30% lower than stock. Its going to take a very tall tire to keep that engine from flying apart @ highway speeds.

I have a tdi 130 here with 35's and a 1.4 tcase with stock gears thats quite strong.
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  #12  
Old September 8th, 2012, 10:23 PM
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Why do you want disc brake so badly? I realise they are superior to drum brakes, but D1 brakes suck. My 110 stops great with drums.
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  #13  
Old September 9th, 2012, 01:11 AM
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That is my understanding, R&P as well. Talk to Keith and he can give you the details

Convert it to disk and you have the best of both worlds.


Quote:
Originally Posted by Abrooks
Does a d60 locker actually fit in a Salisbury?
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  #14  
Old September 9th, 2012, 04:40 AM
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Quote:
Originally Posted by Wolf Fabrication View Post
..., but it's a common swap in the UK to gain the disc brakes. .
(Edited quote)

For a 90 yes, I'd agree. 110, we're more likely to swap an entire disc braked Salisbury axle in.

http://www.ebay.co.uk/itm/Salisbury-...5#ht_828wt_989

------ Follow up post added September 9th, 2012 09:42 AM ------

Quote:
Originally Posted by 130Tdi View Post
The axle under the disco would be fine under the 110. Rover dropped the salisbury before td5 production and has been using the same rear used in disco's for the past decade+ with the td5"s and puma 110s.
I might be wrong but I think it's beefed up.

------ Follow up post added September 9th, 2012 09:44 AM ------

Quote:
Originally Posted by dave_lucas View Post
That is my understanding, R&P as well. Talk to Keith and he can give you the details

Convert it to disk and you have the best of both worlds.
Yep, there's parts lists to do that somewhere on this site
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  #15  
Old September 9th, 2012, 05:22 AM
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Jimmie, it's not that I want or need, it's that I have. My D1, with almost the complete RTE catalog, as well as Tom Woods, GBR, L8, and a whole lot more has been running those pieces for years, but she's gotten realllly rusty on the body. On the premise that I get this 110, my thoughts were centered around how much of the Disco could I use on it?
The Disco has become limited in it's usefulness to me, and the 110 would become a partner to my LR3. Probably going to sell the rust free 92 RRC as well.
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  #16  
Old September 9th, 2012, 07:42 AM
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Quote:
Originally Posted by 130Tdi View Post
The axle under the disco would be fine under the 110. Rover dropped the salisbury before td5 production and has been using the same rear used in disco's for the past decade+ with the td5"s and puma 110s.


The late Td5/puma 110 rear axle isn't the same as a disco rear. The casing is MUCH thicker, about 5 or 6mm in places. The diff is the same as the P38 rangie uses/used, which is the "short nose" as opposed to the "long nose" as used in 90 front & rear/110 front (and it's 4 pinion too, as per the P38 4.6 V8 rear)

The military XD's (aka Wolf) also use this rear axle, but with welded on bracings (and on the front axle), a bit like the old series 109 axles had, to beef them up.
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  #17  
Old September 9th, 2012, 01:05 PM
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Quote:
Originally Posted by diesel_jim View Post
The late Td5/puma 110 rear axle isn't the same as a disco rear. The casing is MUCH thicker, about 5 or 6mm in places. The diff is the same as the P38 rangie uses/used, which is the "short nose" as opposed to the "long nose" as used in 90 front & rear/110 front (and it's 4 pinion too, as per the P38 4.6 V8 rear)

The military XD's (aka Wolf) also use this rear axle, but with welded on bracings (and on the front axle), a bit like the old series 109 axles had, to beef them up.
Thought there were differences
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  #18  
Old September 9th, 2012, 06:01 PM
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I just went thru this when I was looking at getting a rear Sals from Doug.

The main difference between the two sals and D60 - Outer pinion bearing is smaller on the sally, D60 ring gear bolts are standard, sals metric.. Sals is 24 spline, D60 is either 30 or 35 spline. If you want to run a D60 30 spline you have to have spindles bored. If you want to run 35 spline you have to get different spindles, have hubs machines for bigger bearings, and a ton of other stuff. Either way you'll need to get custom axles from Keith at RT. Then of course you will need caliper brackets, and hubs to convert to disc.

HD D1 axles are going to be stronger than stock Sals axles but the R&P will not be as strong. The 30 spline set up is probably the most cost effective as Sals gears are $700-900 and D60 gears can be had for peanuts on pirate or locally.

You will need at least 35's on that set up with the 1.6. I'm not familiar with the TDI but guys with 1.6/4.11's on 37's say their set up revs too high. You could swap in a 1.2 or maybe a 1.4.
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