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mick



Member Since: 08 Feb 2010
Location: Yorkshire
Posts: 2109

England 2010 Defender 130 Puma 2.4 HCPU Rimini Red
Basically they are all a bag of spanners and it dosent matter if you drive it like you stole it or an old lady mine has done 78 k on its 3 rd clutch had new half shafts etc but it dosent make much difference Rolling Eyes
Post #371345 12th Nov 2014 9:06pm
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Howard650



Member Since: 25 Aug 2014
Location: York
Posts: 14

United Kingdom 2012 Defender 110 Puma 2.2 XS CSW Orkney Grey
About the same Pickles I find about 2.3 is best for changes.
Post #371346 12th Nov 2014 9:07pm
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bell-auto-services



Member Since: 08 Jul 2007
Location: North Yorkshire
Posts: 2232

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
Its worth as a try to change up gears workng out once changed and the clutch is out so the revs land about 500-600 ish rpm lower than the peak torque area.

In the picture I attach peak is shown 2370rpm so Id personally aim to change up gear arround 3000-3200 rpm probabally sometimes a little more so the revs land on the next up gear at arround 1800-2000 ish rpm.

Notice the rev hang rpm is 2000-2200 ??? if you can land gears on up shift in a simlar rpm range to this you are working with the rev hang design and not against it which may help overall driavbility and drivetrain shunt/clunking.

changing up at a to low rpm does ive personally found cause drivability problems.

Ill try and get a video of mine for comparison when it comes back off the dyno. Im now on my 4th 2,2 and dont really have a problem with clunking or rev hangging apart from on one of them where the rear prop flange was loose on the diff.


BR
Pete




Click image to enlarge
Post #371360 12th Nov 2014 10:34pm
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Pickles



Member Since: 26 May 2013
Location: Melbourne
Posts: 3784

Australia 2013 Defender 90 Puma 2.2 CSW Keswick Green
Jeez, that graph looks MAGNIFICENT.
Was that just a re-map, or other additions, intercooler etc?
Pickles.
Post #371375 13th Nov 2014 2:15am
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Gus



Member Since: 10 Nov 2014
Location: Perth
Posts: 17

Australia 2014 Defender 90 Puma 2.2 SW Fuji White
Thanks guys this is all good stuff.

I'm getting less clonky with practice but what a pain in the chuff to have to work around an obvious design flaw in a brand new piece of kit!

Bag of spanners is a good analogy, don't know why I love em but I do.......
Post #371376 13th Nov 2014 2:28am
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mark_d



Member Since: 07 Sep 2013
Location: Northern Ireland
Posts: 266

2010 Defender 90 Puma 2.4 XS CSW Santorini Black
Gus, have you done the air box modification. I used to have bad gear changes but the air box mod and a 90mm intake pipe have been a massive improvement. I did both changes at the same time so don't know how much improvement can be attributed to each mod, but since the air box mod is free, you could start by trying it. http://defender90xs.blogspot.co.uk/
Post #371380 13th Nov 2014 7:16am
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rover



Member Since: 26 May 2012
Location: Yorkshire
Posts: 146

United Kingdom 
Whats the air box mod, and can you do it to 2.2s
Post #371421 13th Nov 2014 12:03pm
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bell-auto-services



Member Since: 08 Jul 2007
Location: North Yorkshire
Posts: 2232

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
Yes that is just a remap. In hot climates or on hard worked cars in any climate an large intercooler is advised to help maintain cooler charge temps which in turn helps maintain full power for longer without heat causing torque reduction in the protection maps.

Pete.


Last edited by bell-auto-services on 17th Nov 2014 11:01pm. Edited 1 time in total
Post #371514 13th Nov 2014 8:40pm
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Happyoldgit



Member Since: 14 Sep 2007
Location: Norfolk
Posts: 3471

United Kingdom 2015 Defender 110 Puma 2.2 USW Corris Grey
I found transmission slack to be variable from vehicle to vehicle but now it has run in a bit my current 2.2 has the slickest change of any Puma I've owned, I'm certainly able to change gear quicker and without any clonk especially compared with the 2.4's I've had. Might be an idea just to get underneath and check the propshaft bolts and that the transmission bake isn't binding. Steve.
Owned numerous Land Rover vehicles of all shapes and sizes over the decades.
Current Defender: A non tarts hand-bagged Puma 110 XS USW.

[Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc]

http://forums.lr4x4.com

I used to be Miserable ...but now I'm ecstatic.
Post #371636 14th Nov 2014 3:48pm
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610

United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
^^^Got used to it or changed your driving style. Question

Miserableolgit wrote:
.......but the feature that holds the revs up while the clutch is depressed when changing gear takes a bit of getting used to, it's far more pronounced than on the 2.4's, TBH at the moment I find it annoying as it takes away your own throttle input. ........
 If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #371638 14th Nov 2014 4:18pm
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Happyoldgit



Member Since: 14 Sep 2007
Location: Norfolk
Posts: 3471

United Kingdom 2015 Defender 110 Puma 2.2 USW Corris Grey
TBH Mal the lag on this new one is far less than most if not all the other 2.2's I've driven. That said it still took a short while to adapt the driving style which has probably remained similar for all the Defender types I've had and maybe back to the Series too. I recently had chance to drive three as new 2.2's each with around 2000 or less on the clock, the variation in drive quality, lag, gearbox and axle noise and general transmission slack was remarkable and ranged from excellent to frankly appalling. Steve.
Owned numerous Land Rover vehicles of all shapes and sizes over the decades.
Current Defender: A non tarts hand-bagged Puma 110 XS USW.

[Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc]

http://forums.lr4x4.com

I used to be Miserable ...but now I'm ecstatic.
Post #371668 14th Nov 2014 7:20pm
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610

United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Thumbs Up

You must have one that wasn't built on a Friday.... Laughing Cool If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #371688 14th Nov 2014 8:24pm
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Axlecat



Member Since: 15 Nov 2014
Location: Dorset
Posts: 2

United Kingdom 2014 Defender 110 Puma 2.2 HT Keswick Green
Re: 2.2 Puma gear change /kangaroo problem . I found that depressing the accelerator by hand up to half an inch had no affect whatsoever. As there is no mechanical adjustment for this. I improvised (safely) a temporary means of decreasing the pedal return travel, thus eliminating the slack.
So far 99% improvement !! No idea if the TPS is at fault, incorrectly set up or software problem? I haven't contacted the dealer yet -still seeing how it goes. Think I will make permanent when out of warranty if I get a negative response /fix.
Post #371879 15th Nov 2014 10:19pm
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pob1968



Member Since: 20 Apr 2014
Location: uk
Posts: 239

This morning I tried Pete Bell's advice of changing gear at higher revs. I used to change at about 2000 revs but went for a drive to the shops for this and that and changed at 3000 rpm instead - big improvement in gear change. It really makes it a lot easier and smoother. 110 Hardtop
Post #371951 16th Nov 2014 12:15pm
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bell-auto-services



Member Since: 08 Jul 2007
Location: North Yorkshire
Posts: 2232

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
Glad it's helped pob, after the change up a gear at 3000 where did you find the revs on the counter once you changed up and left off the clutch ?

Pete.
Post #371956 16th Nov 2014 12:42pm
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