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Huttopia



Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1972

United Kingdom 
300tdi mpg post rebuild
A thousand miles post a full rebuild and the engine is returning precisely 30mpg. And not leaking Very Happy
Post #733233 6th Oct 2018 7:29am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8032

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
thats great news, you must be pleased. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #733244 6th Oct 2018 8:28am
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donmacn



Member Since: 06 Nov 2017
Location: Nth Scotland
Posts: 1841

 
That's interesting both for the mileage and the 'rebuild' - have you posted any details of that anywhere? Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong
(The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html )
2000 Range Rover P38 4.0L V8

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...
Post #733246 6th Oct 2018 8:36am
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Huttopia



Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1972

United Kingdom 
No, don’t get the wrong idea, the rebuild was done by Chris Wall, a local independent who has always looked after my landys. My technical knowledge enables me to just about find the ignition barrel with the key.

The head gasket started going, which lead to head off, head tested and found cracked, head replaced, cylinders scored so a rebore, injectors hosing fuel out, injector pump knackered, radiator re-cored, conrods replaced, all new hoses and wiring tidied up. Oh and a new clutch. I left it with him with a ‘I’m not in a hurry’ which ended up not getting it back for 10 months. However, he’s done a great job. The engine sounds very happy and pulls well. The pick up is now my daily driver and the P38 is off into storage whilst I save up for a few jobs to be done. Good to have the old bus back!


Click image to enlarge
Post #733250 6th Oct 2018 8:51am
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donmacn



Member Since: 06 Nov 2017
Location: Nth Scotland
Posts: 1841

 
That sounds great though - and it's the original engine left in which counts for a lot I think.

I certainly couldn't take on anything like that myself. Unbolt/refit jobs are OK with me, but anything more technical I'd have to leave mine with a garage too.

Great though that you've got it back and are enjoying using it so much. Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong
(The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html )
2000 Range Rover P38 4.0L V8

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...
Post #733255 6th Oct 2018 9:08am
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Slideywindows



Member Since: 09 Sep 2016
Location: North Essex
Posts: 1283

England 
Huttopia wrote:



Click image to enlarge


Nice Truck. Thumbs Up

Flat bonnet, 300Tdi and front opening air vents.

What more could you want? Wink
Post #733314 6th Oct 2018 12:46pm
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Huttopia



Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1972

United Kingdom 
It has two creature comforts too -heated seats and electric windows. The only reason for electric windows is so I don’t bash my leg on the winder!

After the rebuild the heater gets to temperature much faster, which is welcome on the station run in the morning!
Post #733335 6th Oct 2018 3:37pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
If you’ve not already, got the injectors redone too, not too expensive and will make it even better Thumbs Up A lot of Tdi problems come from old injectors being worn out.
Post #733383 6th Oct 2018 8:43pm
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Huttopia



Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1972

United Kingdom 
Yes, the injectors were replaced, they were squirting fuel out like a hose pipe! I think that is what has made the most difference with the mpg!
Post #733413 7th Oct 2018 7:27am
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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 10756

England 
Good news on the " no leaks " front and using it as a daily drive, very nice Very Happy 1996 Golf Blue 300Tdi 110 Pick up.

Keeper.

Clayton.
Post #734119 10th Oct 2018 8:17pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Huttopia wrote:
Yes, the injectors were replaced, they were squirting fuel out like a hose pipe! I think that is what has made the most difference with the mpg!


Yeah for the price of getting them reconditioned I think it’s one of the best improvements on an old Tdi. The amount of people that would benefit from getting the injectors redone instead of fitting boost pins and turning star wheels, big turbos, massive inercoolers and are running original injectors with 250k on them leave my head shaking Rolling Eyes with
Post #734125 10th Oct 2018 8:25pm
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yostumpy



Member Since: 01 Aug 2010
Location: n/kent
Posts: 327

Were the injectors replaced ''out of the box' or were they calibrated first?
Post #734152 10th Oct 2018 10:36pm
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Huttopia



Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1972

United Kingdom 
No idea re calibration of the injectors sorry.

I’ve just done 32mpg on the last tank and it included a lot of stop start on farm tracks and the kids driving it around the field for a bit. Happy with that.
Post #734701 14th Oct 2018 4:12pm
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Retroanaconda



Member Since: 04 Jan 2012
Location: Scotland
Posts: 2647

Scotland 
I’ve got a set of reconditioned injectors sitting ready for my 200Tdi. I figured it needs them as the ones in it have now done 336,000 miles. But there’s been no effect on fuel economy that I have noticed over the past 200k, still averages well over 30mpg. 33.2mpg on the last tank.

It’ll be interesting to see if there is any effect when I finally get around to swapping them.
Post #734710 14th Oct 2018 5:10pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
What are you waiting for man the apocalypse? On a Tdi it’s not like they take long to swap. Speak to Turners and they’ll tell you that failures on Tdi are very often down to injector failure- you’ve got to be at least 3 times over the replacement mileage, you trying to get some Scottish value for money out of them? Laughing Whistle
Post #734755 14th Oct 2018 11:35pm
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