Lej · May 17, 2021

Hi guys,

Just looking for a reliable place to either buy or get my LT230 transfer box refurbished.

I currently have a 200tdi on a short bell-housing and I'm not sure if I'll have any problems matching up.
I'm looking for a better ratio for road use, so any recommendations are welcome.

Many thanks!

tottot · May 17, 2021

Many fit a Disco transfer box. Higher ratio in high gear but still the same in low box.

Lej · May 17, 2021

tottot said:
Many fit a Disco transfer box. Higher ratio in high gear but still the same in low box.

I think mines a Disco box, as I've got a disco 200 TDI and axles already, it will happily sit at 75 on the M5.

How do I know which box is which?

Thank you!

P38-DFX · May 17, 2021

Either Ashcroft or Winchester gears

Lej · May 17, 2021

This is the I.D on the box

jamesmartin · May 17, 2021

Lej said:
This is the I.D on the box

thats a 1.667 the lowest ratio suits a 2.5 na, a 1.4 would feel better which is the std defender box for tdi

tottot · May 17, 2021

thats a 1.667 the lowest ratio suits a 2.5 na,

You must be revving the nuts off it at 75

MaxyMan · May 17, 2021

I’ve got a 1.4 ratio box just taken off my td5 if your interested send me a message! Will be a lot better than that 1.6! It’s in excellent condition but I’m in Hampshire!

Lej · May 17, 2021

jamesmartin said:
thats a 1.667 the lowest ratio suits a 2.5 na, a 1.4 would feel better which is the std defender box for tdi

So I'm after a 1.4 ratio std defender transfer box? Will the output shaft be ok for a short bell housing. And lastly what would the I.D be for one of them?

Many thanks for your reply!

Lej · May 17, 2021

tottot said:
thats a 1.667 the lowest ratio suits a 2.5 na,

You must be revving the nuts off it at 75

Boost pin + rings, Garrett turbo, full face intercooler.

The only thing revving it's nuts off is the transfer box, makes a horrendous noise lol

Lej · May 17, 2021

MaxyMan said:
I’ve got a 1.4 ratio box just taken off my td5 if your interested send me a message! Will be a lot better than that 1.6! It’s in excellent condition but I’m in Hampshire!

Thank you for your consideration but unfortunately I'm all the way in Devon

jamesmartin · May 17, 2021

Lej said:
So I'm after a 1.4 ratio std defender transfer box? Will the output shaft be ok for a short bell housing. And lastly what would the I.D be for one of them?

Many thanks for your reply!

yes all lt230s will fit,22d or 25d

Lej · May 17, 2021

jamesmartin said:
yes all lt230s will fit,22d or 25d

Right I think I'm getting it

So I'm better off with a 22D = 1.410 (all 4Cyl 90/110 bar above)

How do I know what I.D relates to what ratio?

jamesmartin · May 17, 2021

Lej said:
Right I think I'm getting it

So I'm better off with a 22D = 1.410 (all 4Cyl 90/110 bar above)

How do I know what I.D relates to what ratio?

Ratio
Typical Applications
12D
R 1.667
13D
R 1.410

14D
R 1.003
15D R

1.192

20D T 1.667
Defender 4 Cyl Non Tdi
22D
T 1.410
Defender 4 Cyl bar 2.5 Diesel Nat Asp.
25D
T 1.410
Defender 110 V8 With LT85 Gearbox
26D
T 1.003
RR Classic with 3 speed Chrysler Auto
27D
T 1.192
RR Classic up to 1985
28D
T 1.222
RR Classic 1986 0n & Disco 1
29D T
1.192
Defender 90 V8 with LT85 Gearbox
32D
T 1.222 4 Cyl & V8 3.5 fitted With LT77S Box
34D
T 1.410 Discovery V8 & 2.0 Mpi
36D
Q 1.211 Discovery
37D Q

Discovery

38D
Q
1.211
Defender V8 4.0
40D Q 1.211
Japan / South Africa
41D
T 1.211 Disco 2 With Diff Lock Stud
42D T 1.211

43D
1.410
Defender TD5

Lej · May 19, 2021

Perfect, thank you so much for your help. I think I'll put an order in with Winchester gears for a refurbished 22D T 1.410
Defender 4 Cyl bar 2.5Diesel Nat Asp.

Harry121 · Jul 25, 2021

Hi

Unsure where to post this and how to post it or find the right place so will start here until pointed in the right direction. I own a Land Rover 90 originally was a 200 then someone put a 300lump in then I purchased it. Been having loads of fun until the other day the engine mounts gave way. Not a big issue as we are going to take it out make new mounts because whoever did it before didn’t do them properly. We then noticed the bell housing bolts we are missing about 3 at the bottom but we can’t get any in as they don’t line up what or how do I fix this ? Is it a new gearbox etc to fit I’m a bit unsure. Thank you in advance

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