 | Home > For Sale & Wanted > [Wanted] LT230 1.2 Ratio disco transfer box wanted |
 
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17372   
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If your Defender is the TD5 in your avatar, fitting a 1.2 box will raise, rather than drop, the gearing, by about 15%.
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29th Nov 2021 8:10am |
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| ezzysi Member Since: 09 Dec 2015 Location: Leicester Posts: 4 
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Probably didn’t phrase that correctly then. I’m looking to lower the engine Revs as it’s mostly used on road.
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29th Nov 2021 1:06pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17372
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That makes sense! Ideally you need a Puma transfer box but you could use a Disco2 box and swap the rear output stage from your existing one (for the Speedo drive) and if need be swap the difflock parts as well. Puma would be easier if you can find one.
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29th Nov 2021 2:10pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414  
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Disco1s also had 1.2 ratio. However still half way into the 300tdi builds, the input gear was not yet drilled. So if you find a good earlier TC that does not have the drilled input gear, factor in the cost to replace the input gear (start at £55 from Ashcroft), plus perhaps a new set of bearings, £26, and shims and labour.
Personally I think the older boxes with larger gear teeth are stronger than the later Q boxes, but no data to back up this. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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29th Nov 2021 2:46pm |
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