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Home > Maintenance & Modifications > Rear diff options, Road use Ashcrosft ATB? on a Puma?
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7683

2011 Defender 110 Puma 2.4 USW Stornoway Grey
All my diffs gbox, shaft work comes from Ashcroft's.

Approx 8 lockers, 2 x 9" high pinion diffs, various gbox, t boxes, 2 x atbs, lotanofncvs and shafts, no issues, they get my vote. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop
Post #809748 10th Jan 2020 11:40pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2069

2004 Defender 110 Td5 DCPU Epsom Green
Xcess 4x4 is the one to go for.

Ultrabuild front diff atb £1200 - outright no exchange
Ultrabuild rear diff atb - £1080 - on exchange Instagram @defender_ventures
Empire Tuning - Agent
Post #809756 11th Jan 2020 8:44am
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Stacey007



Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3693

United Kingdom 
If I throw in at some point I would like to swap the engine...

An LS3 ideally but I'm also looking into the 335d route.


Would the updated diff be better with these options? It one less thing to upgrade if / when I do?

From what I'm reading here Nigel gets a good report, the pegged maybe overkill but it will last? It's not like I want to be changing this often?
Post #809757 11th Jan 2020 8:52am
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3613

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
with an LS3 or 335d you will certainly want robust diffs front and rear DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #809770 11th Jan 2020 10:24am
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BogMonster



Member Since: 05 Feb 2008
Location: Stanley
Posts: 389

Falkland Islands 2015 Defender 110 Puma 2.2 USW Corris Grey
I've got ATBs front and rear in my 300Tdi, rear is an Xcess pegged diff built by Nige, front was a DIY rebuilt diff that popped the original centre when quite new. Xcess not cheap but worth it. Not sure I needed it pegged but decided I may as well as I intend to keep the vehicle.

The only noticeable feature is that with the front, when you first set off and the oil is cold the steering feels slightly stiffer, that's gone within 2 minutes and feels fine after that. You also get a slight gear noise when the diffs are working.

I can't say I have really tested them yet, but climbing off road on loose surfaces is amazing, just doesn't want to spin a wheel. ---
2006 Defender 110 SW 300Tdi • 2011 Ford Ranger XLT crewcab • 2015 Defender 110 Station Wagon Utility TDCi
Post #809780 11th Jan 2020 11:18am
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2010Blackdefender90



Member Since: 07 Jan 2018
Location: London
Posts: 562

United Kingdom 2011 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
Tested my Ashcroft ATB’s, front, centre and rear last weekend at Cannock Chase... first time off road with them.

Thoughts so far... off road, unstoppable, in mud, gravel, water, or steep hill climbs, not once did the T/C kick in. Solid, stable and sound footed off road.

On the road, slight heavy steering, but you get used to it. In the wet, unstoppable, zero ABS or TC and plots through deep puddles as if they are not there.

Lastly, zero clonking and backlash in the drivetrain in any situations.

My set up is Ashcroft ATB’s front, centre and rear. Ashcroft output shaft - gearbox to transfer box. Ashcroft HD drive shafts front and rear, Drive flanges and lastly, their HD CV’s.

Thumbs Up
Post #818911 9th Mar 2020 4:02pm
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Mike_E



Member Since: 13 Apr 2017
Location: Aberdeenshire
Posts: 160

United Kingdom 2015 Defender 90 Puma 2.2 HT Aintree Green
Excellent feedback. Thanks.
Post #818927 9th Mar 2020 5:36pm
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2010Blackdefender90



Member Since: 07 Jan 2018
Location: London
Posts: 562

United Kingdom 2011 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
Mine works well because I have a 2” lift, which allows all four wheels to stay planted on the ground. If you do lift a wheel with ATB’s, touching the brakes, with ABS, does restore drive to a spinning wheel.
Post #818928 9th Mar 2020 5:39pm
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