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CRJ



Member Since: 12 Mar 2011
Location: Sealand - Denmark
Posts: 253

Denmark 1991 Defender 90 200 Tdi ST Alpine White
300 tdi cylinder head on 200 tdi
Hi - probably been asked before.. But can I put a 300 tdi head on my 200 tdi without changing the pistons?

Regards
Christian 88 Ser. 3 1980 -sold
Puma 130 - 08- sold
90 200tdi 1991 - sold
88 Ser. 3 1977 200 TDI
110 CC 2003
Post #429191 7th Jun 2015 10:13am
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Fatboy Slim



Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006

Wales 
I wouldn't have thought so no.
Post #429202 7th Jun 2015 11:30am
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Fatboy Slim



Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006

Wales 
Just out of interest why would you want to make a 200 worse by putting bits of 300 on it Laughing Whistle
Post #429203 7th Jun 2015 11:31am
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walfy



Member Since: 29 Aug 2007
Location: Frome
Posts: 2658

 
I'm sure you can. In fact I'm really sure you can. I looked at this a few years back when I thought I'd knacked the head on my 200. But it's a little bit involved. Cant remember the exact reasons why, it's been a fair few years. But in the end I found a 300 auto combo and fitted that. 110 D250 SE HT
110 USW SOLD
RRE HSE Dynamic Gone, wife killed it
VOLVO XC60 R Dynamic with some toys

Polaris RZR 900XP SOLD
Post #429210 7th Jun 2015 12:16pm
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gilarion



Member Since: 05 Dec 2013
Location: Wales
Posts: 5110

Wales 2007 Defender 90 Other CSW Trident Green
I am pretty sure the injectors are smaller and at a different angle so you will need these and the pipes to connect it to a 200tdi block. You will also need all the rocker assembly and rocker cover; I also think the valves are a slightly different size, you will also have to replace the piston heads to suit the 300tdi injectors, you may also need a 300tdi manifold as I think they are different to the 200TDI manifolds as well.

So while it is possible it is an involved job, my recommendation providing the e200Tdi head is not too far gone is to have it remanufactured by Turners or similar. For those who like Welsh Mountains and narrow boats have a look at my videos and photos at..

http://www.youtube.com/user/conwy1
Post #429222 7th Jun 2015 1:33pm
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CRJ



Member Since: 12 Mar 2011
Location: Sealand - Denmark
Posts: 253

Denmark 1991 Defender 90 200 Tdi ST Alpine White
I am really not up to make it worse Smile
But the head is gone - and pretty hard to find a good one - especially in Denmark. I will look a bit further Into it.
Regards
Christian 88 Ser. 3 1980 -sold
Puma 130 - 08- sold
90 200tdi 1991 - sold
88 Ser. 3 1977 200 TDI
110 CC 2003
Post #429234 7th Jun 2015 2:48pm
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Fatboy Slim



Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006

Wales 
I may have a spare 200 head. Got a poorly engine to strip next few days will see if its any good or not
Post #429239 7th Jun 2015 3:10pm
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steventheplumber



Member Since: 29 Apr 2014
Location: Lincolnshire
Posts: 767

England 1987 Defender 90 200 Tdi HT Keswick Green
I do know that a manifold 300 gasket will fit a 200. Not much help in the scheme of things. When my 200 let's go I will fit a 300 parts are hard to find. Took three weeks to find a turbo. Best of luck CRJ
Post #429273 7th Jun 2015 4:50pm
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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3347

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue
The 200 Tdi head has injectors at a different angle to suit the swirl pots in the pistons which are different.

If you put a 300Tdi head on a 200Tdi the spray pattern will be off because the injectors are subtly different and it will destroy the pistons as they will ether smash the injector head or burn due to the angle not quite being right. It will not run happily (if it does run) due to not all the fuel being used efficiently and no amount of tuneing will fix it.
The pipework is different and the pressures are different.

Its very very very similar, but fundamentally different. Yes it will bolt straight on, but it wont work.

In order to get it to work you need to change pistons, injector pipework, injector pump- by which time you could have bought a new 300Tdi and fitted.

Have you considered sending your head to turners to re-manufacture?
http://turner-engineering.co.uk/html/cylinderheads.html

They know there stuff! Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy
Post #429278 7th Jun 2015 5:25pm
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CRJ



Member Since: 12 Mar 2011
Location: Sealand - Denmark
Posts: 253

Denmark 1991 Defender 90 200 Tdi ST Alpine White
I think I will drop the idea of using 300 head - and take a closer look at Turner engineering - maybe the head is reusable. Or else I will get back to Fatboy Slim Thumbs Up
Regards
Christian 88 Ser. 3 1980 -sold
Puma 130 - 08- sold
90 200tdi 1991 - sold
88 Ser. 3 1977 200 TDI
110 CC 2003
Post #429381 8th Jun 2015 12:20am
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