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Rad666

Member Since: 21 Jun 2016
Location: North yorkshire
Posts: 89

1998 Defender 110 300 Tdi DCPU Keswick Green

300tdi mods list

I know its been covered multiple times, but times move on and so do mods so what have people done to improve the engines performance?

Ive adjusted the fuel pump and just fitted a 2.5” intake to the drivers wing top. She smokes and goes well😊

Any other mods? Ive seen the boost pin and ring setup and there are mentions of moving the wastegate take off to the inlet manifold?

24th Oct 2018 6:21pm

Huttopia

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

Refurb or replace the injectors, not really a mod but it made a lot of difference to my 300tdi. Some folk turn up the boost pin etc and sometimes all it does is mask poor underlying performance and health of the engine. Do the routine maintenance and a healthy 300tdi is beautiful thing with a very happy sound.

Good luck

25th Oct 2018 5:45am

Procta

Member Since: 03 Dec 2016
Location: Sunderland
Posts: 5166

EGR, and CAT removal and a good exhaust is another good one for freeing things up, and making sure all is up to scratch, Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!

25th Oct 2018 5:22pm

Tommyharris

Member Since: 20 Mar 2018
Location: Bristol
Posts: 100

2013 Defender 90 Puma 2.2 HT Santorini Black

All of the above!!

Get it breathing nice and easy! (Unlike my 2.2)

Another good mod I found was a discovery transfer box.

That and regular oil and filters (and cambelt) and she'll travel the world!

O and a Delphi lift pump helped my poor top end oomph

Regards

5th Nov 2018 4:58pm

Bps

Member Since: 14 Feb 2016
Location: Lancashire
Posts: 825

Allow the above, add in an uprated intercooler, hybrid turbo and an egt so you can keep an eye on things

5th Nov 2018 9:48pm

foxhound

Member Since: 02 Mar 2013
Location: United Kingdom
Posts: 363

1995 Defender 110 300 Tdi SW Alpine White

Re: 300tdi mods list

Rad666 wrote:
I know its been covered multiple times, but times move on and so do mods so what have people done to improve the engines performance?

Ive adjusted the fuel pump and just fitted a 2.5” intake to the drivers wing top. She smokes and goes well😊

Any other mods? Ive seen the boost pin and ring setup and there are mentions of moving the wastegate take off to the inlet manifold?

full width intercooler added 30% to power
full silicone hosing added a bit
new turbo, fuel injectors and recon fuel injection pump
3 inch internal diameter raised air intake tube and piping all the way to a 3 inch intake on a donaldson (wolf) air filter box. I wrote a big article on this posted somewhere here. some parts i needed where made by Wayne Nielsen at nugget stuff in oz for me.

See https://www.defender2.net/forum/topic61830.html 110 Defender 300tdi & Penman trailer with ally exped top and roof tent

18th Jan 2019 9:54am

Steve_overland

Member Since: 14 Oct 2018
Location: Gaydon
Posts: 290

1997 Defender 110 300 Tdi HT Chawton White

Hi All... im slighlty looking to go back to the standard setup on my defender, does anyone know where in the midlands i can get my 300tdi set back to standard boost etc.. will prob get the turbo checked at the same time if possible... @steve_overland on Insta.
110 expedition vehicle with pop roof

18th Jan 2019 11:07am

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