 | Home > Puma (Tdci) > Lock Diff |
 
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015   
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No point fitting a detroit locker- it does the same as the traction control (When one wheel moves faster tan the other it locks off).
Glyn |
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2nd Mar 2009 5:18pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2267  
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I know , but what if I the rig doesn`t have TC? Puma 110" SW ............................................................. Earth first. Other planets later |
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2nd Mar 2009 7:46pm |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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In that case, the Detroits will give you the same as TC does. (About £1500 inc fitting)
ARB air lockers will give ou more control of what you want and give you the maxamum traction possible. But this costs more and it is highly advisable to get uprated drive shafts to take the power. (About £3000 inc fitting). Hence why I went for the XS with TC. Gly |
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2nd Mar 2009 7:52pm |
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| alantd Member Since: 14 Dec 2008 Location: Northamptonshire Posts: 1513  
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I've heard people with Disco 2's say that the traction control doesn't really cut it (the D2 was fitted with no locking centre-diff at one point IIRC). If you're going to encounter reasonably heavy use then you'd need a proper locking diff.
That said, the TC on my Puma is a revelation. So long as the sensors are working, I can't see why TC wouldn't be absolutely fine. Anyone with any direct experience? One that started out as a 2.4 TDCi 110 XS + New Defender 110 First Edition |
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2nd Mar 2009 9:14pm |
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| dm_td5 Member Since: 20 Jul 2008 Location: Arnhem Land Posts: 609  
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3rd Mar 2009 7:56am |
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| alantd Member Since: 14 Dec 2008 Location: Northamptonshire Posts: 1513
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Interesting. It is a pretty simple concept. That's its genius. I've used mine quite a bit too - situations where I'd have had to have a lot more momentum to get out without TC One that started out as a 2.4 TDCi 110 XS + New Defender 110 First Edition |
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3rd Mar 2009 2:47pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7706 
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no experience of lockers on a Puma but if i were to fit them i would go for a full locker where you have control then you say when you want it in and out - which to me means ARBs.
i had a quaiffe torque biasing diff in one of my 90s and worked ok but not always how i wanted it to and when i wanted, bear in mind like TC is a reaction bit of kit not preventative like an ARB. ARBS front and rear in my truck cab (non Puma) would not have anything else. KAM look good too but have suffered with reliability and backup i am led to believe from fellow competitors who went that route. Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop Last edited by jst on 4th Mar 2009 12:38pm. Edited 1 time in total |
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4th Mar 2009 11:45am |
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| CapeLandy Member Since: 21 Jul 2008 Location: Cape Town Posts: 558 
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I found the traction control on mine a bit slow and very jerky with a lot of banging.
When I did the 4x4 training day with LR we definately noted that the D3 and Freelander 2 had far better response and smoothness to their system which I observed standing outside the vehicles at the abostacles designed to show the systems. Have a look here:  Puma 110 - gone
Series III 1973 - going strong |
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4th Mar 2009 11:54am |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7706
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if you find TC slow then adjust your driving style to get it to react quicker. it will react to spinning wheels the faster the spinning wheel the quicker it will react and the harder it will bite transferring power to those wheels that have traction quicker.
in other words when you start to spin a wheel accelerate to get it to bite quicker and harder. don't forget LR2 and LR3 have TR which effects TC reaction time and how it reacts. Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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4th Mar 2009 12:40pm |
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| fekete Member Since: 24 Dec 2008 Location: Here on the other end of the computer Posts: 3626 
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Good example,
doesn't sound to good tho NEVER TAKE LIFE SERIOUSLY. NOBODY GETS OUT ALIVE ANYWAY |
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4th Mar 2009 12:43pm |
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| alantd Member Since: 14 Dec 2008 Location: Northamptonshire Posts: 1513
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Interesting video. I assume you didn't have the centre diff locked.
Does the TC detect rotational differences front to back as well as side to side? In which case it would simulate the centre diff (like the D2)? One that started out as a 2.4 TDCi 110 XS + New Defender 110 First Edition |
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4th Mar 2009 3:04pm |
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| Fontuin Member Since: 11 Sep 2008 Location: South Africa Posts: 29 
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The primary traction tool on a Defender is wheel articualtion, the TC is just for those extreme cases where the wheel articulation can't do the job. TC shouldn't and doesn't work very often on a Defender when the CDL is locked.
FL2 relies heavily on TC for traction so more emphasis is placed on the system and the working there of, TR allows for the TC to have different sensitivities for different terains. I watched a FL2 video explaining the TR settings(it is on LRs web site), TC in the 'mud and ruts' setting is set up to allow for limited wheel spin because in mud your wheels are normally spinning to some degree even if you are not stuck, if the TC tried to stop all the wheels completely then the vehicle would come to a halt. A Defender only has one sensitivity setting, I suspect that the sensitvity for the Defender is similar to that of the 'mud and ruts' settings on the FL2 to avoid the vehicle comming to a halt in mud where limited slippage is required. My TC has never kicked in on flat sand and x-axles are covered sufficently by the articualtion for the less sensitive TC to be sufficient. A Defender with a locked centre diff and no TC is better off-road than most other standard 4x4s available on the market today, with TC, all be it a little slow and inifective, a Defender is unrivaled. The above is not fact but my opinion based on some observations I've made and on my experiences with the different vehicles(I own a FL2 and used to drive a D3), I might be completely wrong? |
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4th Mar 2009 3:52pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7706
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thats depends on what your driving on, mine quite often comes in with the CDL locked on wet grassy fields, and it should still come on with the CDL locked. CDL only guarantees one wheel front axle and one wheel rear axle will turn. if two wheels across an axle (front or rear) rotate at different speeds within the TC parameters TC will cut in TC on Defender works across each axle only, all the other models TC works on 4 wheels independently. Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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4th Mar 2009 4:47pm |
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| CapeLandy Member Since: 21 Jul 2008 Location: Cape Town Posts: 558
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diff lock was on. I always drive with it on when I go off the tar.
Do you think it aint working??  Puma 110 - gone
Series III 1973 - going strong |
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4th Mar 2009 5:57pm |
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