6 speed or higher ratio 5th.

discodrivercumbria · Aug 28, 2014

been away on holiday, had an hire car, 6 speed, my Mrs has a 6 speed golf at home aswell so used to that, but coming back from the airport in the disco tonight on the m6 i went for 6th gear twice in the disco, er but it aint got one!! has anybody or can it be done, even a different higher ratio 5th gear or has anybody made a 6sd fit!!???
curiosity, as the disco manual feels like it could take it!!
JM must of thought of this before today me thinks??

Disco DJ · Aug 29, 2014

It does feel like it could do with it sometimes. But also easy to live without it! I think if it were that easy you'd hear about people doing that mod by now.

(My old series could only do just over 40mph- purely cos of the gearing. Many people did add overdrive/5th gear to those as only 4 speed by default!)

thebiglad · Aug 29, 2014

discodrivercumbria said:
been away on holiday, had an hire car, 6 speed, my Mrs has a 6 speed golf at home aswell so used to that, but coming back from the airport in the disco tonight on the m6 i went for 6th gear twice in the disco, er but it aint got one!! has anybody or can it be done, even a different higher ratio 5th gear or has anybody made a 6sd fit!!???
curiosity, as the disco manual feels like it could take it!!
JM must of thought of this before today me thinks??

IF what you're after is lower revs at a given cruising speed then that is easy to achieve.

If you put larger tyres on alround you will raise the gearing and reduce revs. Obviously this will affect all gears.

Assuming you're running 16" wheels, something like 265/75/16's will do the trick.

Discovery III has a 6-speed manual, may be you get some sort of conversion kit to fit one of those?

Good luck

Dave

discodrivercumbria · Aug 29, 2014

thebiglad said:
IF what you're after is lower revs at a given cruising speed then that is easy to achieve.

If you put larger tyres on alround you will raise the gearing and reduce revs. Obviously this will affect all gears.

Assuming you're running 16" wheels, something like 265/75/16's will do the trick.

Discovery III has a 6-speed manual, may be you get some sort of conversion kit to fit one of those?

Good luck

Dave

yeh i know that is an option! i aint gonna do it either, i was seeing if it could be done or has been done as some mods achieve al sorts, as when you are crusing around 80- 85mph another gear or a higher ratio would be good, as for the D3 i don't want one either, if i was gonna spend money on a car of that value fooked if i would buy a Land rover, Toyota all the way!!:bolt:

years ago we turned a MF 165 around, basically made a rough terrain forklift out of it, my mate who helped worked for MF, he ate, slept and did nowt else other than Tractors, you had to drag him out of the gearbox as he was away with it swapping and changing,

thebiglad · Aug 29, 2014

discodrivercumbria said:
yeh i know that is an option! i aint gonna do it either, i was seeing if it could be done or has been done as some mods achieve al sorts, as when you are crusing around 80- 85mph another gear or a higher ratio would be good, as for the D3 i don't want one either, if i was gonna spend money on a car of that value fooked if i would buy a Land rover, Toyota all the way!!:bolt:

You seem to have rebuked my comments as useless but you misunderstood what I meant when I mentioned the DIII GEARBOX (not the car).

What I was suggesting is that maybe you could fit a DIII gearbox onto the back-end of your TD5 motor - Voila ! A six-speed TD5.

But to be honest your reply leaves me cold, so I'll leave it there.

discodrivercumbria · Aug 29, 2014

thebiglad said:
You seem to have rebuked my comments as useless but you misunderstood what I meant when I mentioned the DIII GEARBOX (not the car).

What I was suggesting is that maybe you could fit a DIII gearbox onto the back-end of your TD5 motor - Voila ! A six-speed TD5.

But to be honest your reply leaves me cold, so I'll leave it there.

sorry if i offended you! i never read all the reply properly, trying to open all my post after being away and look at the internet at the same time,
yeh along those lines of the six speed, as i know it's a BMW lump, so wondered if anybody had or is going to!

thebiglad · Aug 29, 2014

discodrivercumbria said:
sorry if i offended you! i never read all the reply properly, trying to open all my post after being away and look at the internet at the same time,
yeh along those lines of the six speed, as i know it's a BMW lump, so wondered if anybody had or is going to!

You can't resist jumping in with both feet can you - it's a Land Rover engine (the TD5) not a BMW one. Or perhaps you were referring to the v6 in the DIII? That's a Ford/PSA collaboration.

discodrivercumbria · Aug 29, 2014

thebiglad said:
You can't resist jumping in with both feet can you - it's a Land Rover engine (the TD5) not a BMW one. Or perhaps you were referring to the v6 in the DIII? That's a Ford/PSA collaboration.

i meant the whole cars ethics! or maybe still, parts of a Austin maestro!

jamesmartin · Aug 29, 2014

a 6 speed box isnt a 5 speed with an extra gear ,its just more choice been top and bottom,you could fit a v8 5th gear if yours is diesel and get a tadge more or fit bigger tyres as suggested

discodrivercumbria · Aug 29, 2014

jamesmartin said:
a 6 speed box isnt a 5 speed with an extra gear ,its just more choice been top and bottom,you could fit a v8 5th gear if yours is diesel and get a tadge more or fit bigger tyres as suggested

a proper answer! the tyres were not requested in the first post, more to the gearing or an adapted box,
i have googled it and it has been done, item in a mag and on another forum,

next question what size tyres would fit!!???:behindsofa:

Maaarrghk · Aug 29, 2014

I am experiencing the same with mine as I have progressed with de-restricting it. For motorway and sustained high speed cruising some sort of overdrive would be nice to have.

Consider my last car. Ford Mondeo 2.2tdci, 6 speed manual, 95mph at 2500rpm.

Disco 2 TD5, 5 speed manual, 80mph at 3000rpm. I know it's meant to be a different kind of vehicle, but to get somewhere mid-way between the 2 would save fuel and engine wear.

I did spot something a few months back, but the web page was 10 years old and the conversion (I think it dropped into the standard D2 transfer box) cost around £1000 at that time. This particular unit was claimed to drop the revs by 14%.

6 speed or higher ratio 5th.

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