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discovery diff option?

Tech Talk for Rover owners.

Moderator: Micka

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Posts: 6
Joined: Wed Dec 17, 2008 7:46 pm
Location: gold coast

discovery diff option?

Post by napper »

how easy are discovery diffs to break? and wats the best option for price and work, weather up grading the internals or replacing the diffs??? any ideas....
Posts: 2732
Joined: Fri May 28, 2004 11:50 pm
Location: Perth, WA

Post by stuee »

What year disco have you got. They're pretty average overall. 10 splines are supposedly piss weak but I've never owned or driven on them.

I hate to say it too but search is your friend. There are that many threads over converting to toy centres either completely DIY or using commercial components, simple axle swaps, cv upgrades etc.

In terms of standard tyres and 24 spline axles I'd say your pretty safe. Move to 33's or more and you at least would want some stronger axles and cv's too. Bigger than this and your bordering toy swap/full diff swap/axle and cv upgrade.
-Scott- wrote:Isn't it a bit early in the day to be pissed? :finger:
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Joined: Sat Jan 20, 2007 8:16 am
Location: New Zealand

Post by KiwiBacon »

Even 10 spline diffs are strong enough to light up the stock tyres on dry tarmac. It's when you go for bigger tyres or do really stupid stuff (drop them spinning to the earth) that they break.

If you plan to put on bigger wheels & tyres, then upgrades are definitely in your future.
I swapped from 10 spline to 24 spline last year, when side by side the 24 spline spider gears are a much stronger design. I have yet to break either but I run standard size wheels.
Posts: 42
Joined: Mon Nov 01, 2004 1:16 pm
Location: N QLD

Post by hook »

I have a 98 TDi Disco
32 Copper ST 3 inch lift.
I have broken two rear diffs.
both of them were the cross pins on planet gears.
Med off road.
Now have up graded to an ARB (rear) diff lock.
Still STD axles and CV.
I have not used the diff lock yet.
waiting for money.
then
1. rear H-Tuff axle,
2. ARB front,
3. front H-Tuff axles/CV
98 TDi Disco

N QLD
Posts: 101
Joined: Mon Dec 04, 2006 10:49 pm
Location: Gold Coast

Post by Petes »

I run a 2001 td5 D90 which has the same drive train as very late D1.

It gets used pretty hard on 33's 90% of the time and 35's the other 10%

I have only ever in 85k km broken 1 long rear half shaft (axle)

if you arent very rough they will last.

std axles with ARB's front and rear.
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Joined: Wed Dec 17, 2008 7:46 pm
Location: gold coast

Post by napper »

ahhh ok. yeah well im only thinking so far that im getting a disco 1 and am planing all the mods first. am thinking of running probs 33 or 35's max with the v8 and will want 2 play hard, so am i better putting gq or 80 series diffs under it instead of up grading the origional diffs????
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Joined: Thu Dec 28, 2006 6:50 pm
Location: Moronfield....

Post by nottie »

Toyota convertion with the rangie housings. ;)
Try this link
http://www.rovertracks.com/index.html
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