AuthorTopic: 200tdi conversion  (Read 1706 times)

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Offline piper5

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200tdi conversion
« on: November 25, 2007, 17:04:15 »
hi we have fitted a 200tdi into a series 3 retaining the series gearbox , what is better now , to fit 3.54 diffs or to fit an overdrive?
we have 200 and 300 disco diffs at our disposal will they fit splines etc
thanks

Offline Devon-Rover

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200tdi conversion
« Reply #1 on: November 25, 2007, 17:23:39 »
AFAIK the disco diffs are 24 spline whereas the series counterparts are the courser 10 spline versions.
Early range rover diffs are 10 spline tho.

Without and overdrive and standard 4.71's in you will romp through your gears to a top speed of 60. you can easily pull away in 2nd with the TDI in.

With an OD you can then hit about 75 but yes doo so very quickly but only the steepest of hills are a decent weight in the back will cause you to need to drop out of it. some steep hills with a trailer might require low box just to get going.

With 3.54 diffs it'll be like driving around with the OD in all the time so 1st gear pull away but being able to cruise at 65 and again a top wack of 75.
so really it'll be like the above, but some steep hills with a trailer might require low box just to get going.

Now 3.54's and an OD would be more towards those requiring outright cruising ability. you can cruise at 65 and a theoretical 85+ could be had if you are feeling brave enough.
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Offline andyb

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200tdi conversion
« Reply #2 on: November 25, 2007, 17:25:35 »
I mate has done the same and already had an OD before putting the 200TDi in. He is running the 4.7 Series ratio diffs and is happy with that combination.

HTH

Offline ian_s

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200tdi conversion
« Reply #3 on: November 25, 2007, 18:06:29 »
i'm running a 200tdi with the standard series gearbox and rangerover diffs,
cruising at 70 is comfortable, and i have had 85 on showing on the GPS!!
i'm finding it much better to drive round town after i changed the diffs, as before i was changing gear all the time, now i can just leave it in 2nd unless i actually stop
series 3 - 200tdi
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Offline Xtremeteam

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200tdi conversion
« Reply #4 on: November 25, 2007, 19:46:35 »
300 diffs will be 24 spline

200 diffs will be mostly 10 spline
Mike
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