300TDI into 6cyl SIII 109

Hi Adam, I sourced bearings and roller bearings from a local specialist and purchased an overhaul kit from a place down south, it included all the gaskets ,springs etc in with it. afraid I can't remember who it was though :confused:

This was a spare gearbox that I played with but it turned out okay, so I'm going to use this as an experimental one until I can get the original gearbox / overdrive rebuilt.

I've also fitted stage one axles front and rear with the 3.54 diffs, the front brakes are also larger and make quite a difference in stopping power :)

Yes I was referring to the flywheel housing, the defender item also bolts to the engine mount plates. Here's a pic showing the difference between a 200 and 300 tdi flywheel housing. You can see where the bolt holes are at the bottom of the housing. It's part of this area I have removed.
I tried to source a 200tdi item but they are hard to find, I would also have to change the rear main seal to suit the 200tdi item.

Hmmmm I believe I have seen that picture somewhere before :-)

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Originally Posted by jerryd

Hi Adam, I sourced bearings and roller bearings from a local specialist and purchased an overhaul kit from a place down south, it included all the gaskets ,springs etc in with it. afraid I can't remember who it was though :confused:

This was a spare gearbox that I played with but it turned out okay, so I'm going to use this as an experimental one until I can get the original gearbox / overdrive rebuilt.

I've also fitted stage one axles front and rear with the 3.54 diffs, the front brakes are also larger and make quite a difference in stopping power :)

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Thanks for the heads up on the 300 vs 200 flywheel cover. I'm leaning towards the 200 because of the rear main seals, no welding, less cutting and fab work I can likely undertake.

Also thanks for the info about the rebuild kit. It's good to know the bearings are available off the shelf at SKF/Timken etc.

Also are the stage one diffs from the pre-county defender? The series three with the defender grill? If you get my drift....😳

I like the idea of the ashcroft HRTC gears so not to affect low range. Did you find the 3.54s affected low range much?

Cheers, Adam.

I would have preferred a 200tdi motor also but they are hard to find, the 300tdi motor I have belonged to a friend who's vehicle was written off so that's why it's sitting in my garage with lots of extra bits :angel:

Yes you're right about the axles ;) My dormobile has a 186 motor fitted at present, so fitting the 3.54 diffs was a huge improvement bringing the revs down quite a bit. I find low range is still okay and haven't had any problems, although I don't tend to do too much rough stuff in it .

Yes the stage 1 diffs in mine made a big difference too. I really think the 300 tdi is a better conversion than the 200 as parts are so much more readily available. At the moment I am running mine without an inter cooler on the turbo and it's fine. Inter cooler adds more power and then likely to break something.

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Originally Posted by Shepp

At the moment I am running mine without an inter cooler on the turbo and it's fine.

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Would you possibly have a photo of this setup?
Cheers, Adam.

Might be some on my thread on GCLRO members rides Rambover.

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Originally Posted by Shepp

I really think the 300 tdi is a better conversion than the 200 as parts are so much more readily available.

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I agree; however; many of the hard to get parts of the 200tdi are interchangeable with the 300tdi e.g. exhaust manifold; cylinder head.

So if you have a 200tdi - fear not, they are repairable with later parts,

Cheers Charlie

Attachment 93585
Here's a picture of a 200 tdi I fitted into a 6 cylinder lwb series 3, just had it's first run today, I have some more recent pictures somewhere, once I get them I will post them up here