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landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5729

2006 Defender 110 Td5 USW Zermatt Silver

Fitting disco gears to Defender transfer box is brilliant, especially if you have a remap. I loved it in my previous Td5, and am now considering what to do with my new Td5, as it has a standard transfer box, and I won’t let ashcrofts touch anything of mine. So I either need to fit my own gearing, or find an alternative. I don’t ever recall it being too highly geared even towing a digger, but when doing manoeuvres I would use low ratio.

17th Jan 2019 11:20pm

Harry.O

Member Since: 25 Jul 2014
Location: Warwickshire
Posts: 716

Ashcroft have recently started doing custom transfer box ratios

https://www.ashcroft-transmissions.co.uk/lt230-ratio-changes.html

I have slightly larger tyres (285 75 r16) and a v8 5th gear ratio on my TD5 and am seriously considering a 1.3 box to give it longer legs on the motorway without inhibiting towing capacity too much 2005 Td5 110 Hardtop
1989 300Tdi 90 Soft top
1992 200Tdi 90 Truck cab with Land Cruiser axles

18th Jan 2019 5:33am

D90JAP

Member Since: 13 Jan 2019
Location: Aberdeen
Posts: 14

So had a quick look underneath today and found that the transfer box fitted is a 1.667 ratio. Is that normal for a 2004 hardtop to have that from standard? I was under the impression that it should be a 1.4.

22nd Jan 2019 11:27pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

1.4 as factory fitted to TD5 1987 to 2006

large tyre option 1.667 ratio.

23rd Jan 2019 8:26am

D90JAP

Member Since: 13 Jan 2019
Location: Aberdeen
Posts: 14

Mine is fitted with 235/85/16 guessing they are standard and it is a county pack.

23rd Jan 2019 8:39am

ashtrans
Site Sponsor

Member Since: 08 Nov 2008
Location: Harpenden
Posts: 258

many TD5 LT230's were 1.410 type 43D's but had the 1.667 sticker put on in error,

Dave Dave

23rd Jan 2019 12:39pm

D90JAP

Member Since: 13 Jan 2019
Location: Aberdeen
Posts: 14

Is there any other way to tell from serial number what is fitted?

23rd Jan 2019 2:09pm

ashtrans
Site Sponsor

Member Since: 08 Nov 2008
Location: Harpenden
Posts: 258

Yes, if it starts 43D (which is most likely) it’s a 1.410 Dave

24th Jan 2019 8:39pm

D90JAP

Member Since: 13 Jan 2019
Location: Aberdeen
Posts: 14

Thanks for everyone’s help and options with Thais much appreciated. I really wanted to go down the line of a roamerdrive but I couldn’t justify the price and also found that the transfer box that was fitted was whining internally. I opted for a discovery 1.2 and I have to say alongside the Alive tuning remap I’m running works and runs perfectly, no troubles with hill starts or anything. Seems to help with fuel consumption also. Once i brim the tank I will give some feed back on mpg for anyone else looking to change.

Thanks again folks.

Jack

30th Jan 2019 11:26pm

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