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| bm52 Member Since: 04 Apr 2010 Location: Kent Posts: 2189   
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try here...
http://www.ashcroft-transmissions.co.uk/ BM52 |
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25th Oct 2010 7:24pm |
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| stevie d Member Since: 09 Nov 2009 Location: Bishops Stortford Posts: 342 
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There will be plenty of threads about sound proofing a Defender on this and other sites.
When I first bought my TD5 about a year ago (55k on clock, 52 plate), I thought the gearing was very low and noisy. 
Since then I have put Difflock Oils in the gear boxes and diffs and put fully synthetic oil in the engine, the difference has been huge and the driving a lot more refined (for a Defener!!). I rarely go over 70 except to overtake and all is fine. If I wanted to bash away at 80 plus on the motorway (if that's possible in a Defender?) I would consider a lower geared transfer box, but I am not sure how well balanced the rest of the car is at that those sort of speeds, bearing in mind fat tyre, two propshafts, two gear boxes, two diffs etc. etc. 
Good Luck, Steve Defender 90 TD5 Station Wagon Discovery 3 HSE BMW 330i Coupe |
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25th Oct 2010 7:37pm |
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| Sonic3d Member Since: 28 Jan 2008 Location: Ross on Wye Posts: 1505 
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Could try an overdrive or a transfer box from a Discovery2
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25th Oct 2010 7:43pm |
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| SiWhite Member Since: 19 Jan 2010 Location: North Hampshire Posts: 455 
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A transfer box form a discovery will make a huge difference - I did mine last week and am really impressed with how much quieter it is. When you refit the floor and transmission tunnel, use a LOT of silicone to seal all the panels in place and fill every possible air gap - again this helps. My blog - www.anacreinhampshire.blogspot.co.uk
110 TD5 BuildHERE - sold! 110 Tdci Build HERE - sold! Passat Alltrack - 4x4, auto, 45mpg, gloriously comfortable - but not a Defender! |
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25th Oct 2010 8:02pm |
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| Nidge Member Since: 27 Jan 2008 Location: Kildare Ireland Posts: 810  
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Disco Transfer box in my TD5 110, makes hugh difference to noise levels. especially motorway driving - I would recommend power upgrade as well, as she pulls better with the taller gear.
N. |
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26th Oct 2010 8:44am |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7715
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1.2 T box with Q gears, or gears from Dave A, or an overdrive. the latter you can select when you want it which means if you do alot of heavy towing or live in a hilly area it may be better suited. OD will also give a better rpm reduction and can be used as a splitter gear. they are quite expensive though.
i fitted an OD to my td5 when i faced the same decisions, mainly due to the amount of towing i do i wanted to maintain the std gearing. Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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26th Oct 2010 9:01am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 
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Hi Buds, welcome to the site!
 Do you know JMS he comes from your neck o' the woods? I can see your place from the shoreline of mine! 
Back on topic....I remember a thread about 'Noise Killer' there are some good recommendations on it....Sonic stated "It makes a huge difference!" It will undoubtedly be a hell of a lot cheaper than the other engineering solutions suggested and may get you the level of noise reduction you desire without spannering, getting your mits dirty or emptying your wallet!! Suppose it depends on how deep your pockets are and/or how drastic your initial course of action is going to be! Ears the linky fingy anyway.... http://www.defender2.net/forum/topic2533.h...ise+killer 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!! |
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26th Oct 2010 9:35am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5430 
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Noise killer mats are good and if you buy extra material from them, there is plenty of extra areas to be covered that help.
The change of transfer box has helped a lot, but I would not do the swop unless you have a remap done. On that note I was stunned at how the remap made driving much much quieter. If you do go for a transfer box change, I would be cautious who you buy it from at the mo, as there apears to be some quality problems with a well know company
PM me if you want any fyrther info Andy |
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26th Oct 2010 5:44pm |
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| chiefstoker Member Since: 11 Oct 2010 Location: Weston-super-Mud Posts: 893  
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I have read a bit on the net about overdrives, but they dont seem to be readily available - unless i'm not looking in the right places any more info on these?
stoker |
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28th Oct 2010 7:11am |
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| 110ross Member Since: 30 Oct 2010 Location: South West Posts: 33 
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Hi All.
I've been reading this thread with interest and thought i would add my two penneth. I've got a 2001 110 CSW that was standard with 71k on the clock. After driving 'normal' cars it seemed really low geared and noisy at first, and had a vibration problem above about 2500rpm. At first I added a rubber sound proof mat to the load area which helped a bit. Then I had the main and transfer boxes reconditioned and Disco 2 1.22 gearing put in the transfer box. At the same time the clutch and flywheel were replaced and the difference was huge. Gearboxes and clutch work carried out by a company called Gearchange in Somerset - very highly recommended! It was then that i bought the caravan and towing with the 1.22 transfer box was ok, but slow slow slow. So i went for a TD5 Alive stage 2 kit (custom remap, silicon hoses, EGR removal, bigger intercooler and boost box) and the difference there was immense. Towing now no problem, but pulling away on steeper hills might need low range. The last thing i have done is add Exmoor trim sound proofing mats in the front and middle row and the truck is now quiet and smooth ...... for a Defender. Ross. |
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2nd Nov 2010 9:01pm |
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| RED-DOT Member Since: 29 Jun 2009 Location: stirling Posts: 2363 
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I have an "Actech" accoustic blanket that sits on top of the engine. It is lead lined and deflects 30+% of TD5 engine noise downwards. I coupled it with their under mat stick on barriers too and it did what is says on the tin... For Sale if you want to uplift? 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..
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2nd Nov 2010 11:47pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7715
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the acoustic matting that Exmoor trim sell is very good, ideal in a td5/tdi, bloody heavy mind! Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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3rd Nov 2010 9:49pm |
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| alanhid Member Since: 24 Jan 2010 Location: South Lanarkshire Scotland Posts: 221 
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Earplugs................
Life is not a rehearsal!
Def 90td5 CSW xs 2006 |
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5th Nov 2010 4:33pm |
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| ibexman Member Since: 13 Dec 2008 Location: kent Posts: 2882
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Who would that be then????? |
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5th Nov 2010 6:27pm |
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