 | Home > Tdi > Upghrades to 300TDI engine |
 
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| trickster5000 Member Since: 12 Dec 2015 Location: East Yorkshire Posts: 502   
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A standard 300 has a decent amount of grunt even in a 110 but if you're looking for more:
1. Start with tweaking the fuel pump (great PDF here: http://www.landroverweb.com/Pdf-files/Tuni...Rev_2.pdf) 2. Full width intercooler 3. Boost pin mod 4. Upgraded turbo 5. Silicon pipes 6. Decat, EGR blank and straight through exhaust A range of mods at a range of costs but personally I would try it as standard to start with, see how you get on with it  . Matt.
'89 90 CSW with a 3.5 V8 conversion (WIP) - http://www.defender2.net/forum/topic46809.html |
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2nd Apr 2018 4:57pm |
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| GREENI Member Since: 22 Aug 2010 Location: staffs Posts: 10383
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Check out Stegs Supplies on Facebook too
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2nd Apr 2018 5:00pm |
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| steveyorks Member Since: 08 Apr 2013 Location: west yorkshire Posts: 183  
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Biggest change is tweaking the pump and its free. New intercoolers, silicone pipes etc are great but cost a lot of cash and for me dont change it enough to make it worth the money.
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7th Apr 2018 11:00am |
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| lb73 Member Since: 27 May 2016 Location: North Wales Posts: 293 
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When I bought my 300tdi csw, it came with an upgraded intercooler and egr delete, I added an improved exhaust and all in my mind improve it . I’ve also got discovery transfer box to go in which should help cruising ability. 1999 300TDI 110 CSW BMW 3.0
1972 VW Beetle 1200 2002 Dax Rush 3.9 V8 2012 Audi A3 tdi 2020 Renault Kangoo electric |
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7th Apr 2018 6:06pm |
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| Procta Member Since: 03 Dec 2016 Location: Sunderland Posts: 5189
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My advice is to bin off the EGR system straight away, when I bought my 300 tdi, it was a sluggish as hell. Turns out it was the EGR pipe that links the system to the intercooler was leaking. We had only fitted a replacement pipe to find that out, Then the full system was just removed and binned. That really did restore power, also check that nothing is blowing around the manifold and inlet area too, As that also kills off power. Then move on to the DE cat and decent air filter, and see what happens, before you start playing with fuel pumps etc. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back Success is 90% Inspiration and 4 minutes Preparation # you can make it! |
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17th Apr 2018 5:15am |
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| foxhound Member Since: 02 Mar 2013 Location: United Kingdom Posts: 363 
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Silicone hosing throughout and a full width intercooler increased my 300tdi's power massively and increased mpg by 10-12%. Small increase to mpg with a Donaldson Wolf pattern air cleaner box and 3 inch raised air intake (I had 2.5 in previously). Mine came with egr blanking plate in place. 110 Defender 300tdi & Penman trailer with ally exped top and roof tent
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22nd Apr 2018 5:48pm |
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| Procta Member Since: 03 Dec 2016 Location: Sunderland Posts: 5189
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foxhound, did you have the motor tweaked for the intercooler? Defender TD5 90 ---/--- Peugeot 306 HDI hatch back
Success is 90% Inspiration and 4 minutes Preparation # you can make it! |
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30th Apr 2018 4:54pm |
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| red zepplin Member Since: 26 Mar 2015 Location: Never far from a brew (Lancashire) Posts: 196 
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All the above is great advise and mods but a word to the wise before adding all the sexy stuff make sure the boring stuff is sorted first a decent service ,fuel filter timing ect think of it as starting from fresh WHAT COULD POSSIBLY GO WRONG
My sky lantern petition http://chng.it/HJXmZC47 |
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30th Apr 2018 5:02pm |
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| foxhound Member Since: 02 Mar 2013 Location: United Kingdom Posts: 363
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no, the fuel injector pump was as per original setting (unless the previous owner had done anything which i think very unlikely) a clean fuel filter makes a bit of a difference! subsequently I have had new fuel injectors fitted (mine were 20% out) ,attended to the turbo (wastegate had seized) and had the injector pump reconditioned - to cure emission problems which led to mot fail - but emissions only started 4 years after the intercooler was fitted. 110 Defender 300tdi & Penman trailer with ally exped top and roof tent |
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1st May 2018 6:24am |
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| NickMc Member Since: 01 Oct 2014 Location: Norn Iron Posts: 1628  
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Best upgrade for a 300 Tdi is an overhaul of the terrible designed cooling system that’s header tank isn’t high enough in the design...good old Land Rover. Before you do anything’s else check the condition of the radiator/hoses and I’d get a low coolant alarm for it. People seem to love them, but I think they were a step back from the mighty 200! I’ve lost count of how many heads, gaskets and overheating problems I’ve done on them in my life.
Best upgrade though is a ported and flowed Turner Engineering AMC head worth every penny. |
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1st May 2018 10:36pm |
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| foxhound Member Since: 02 Mar 2013 Location: United Kingdom Posts: 363
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Nickmc, what benefits do you get from an AMC head?[/quote] 110 Defender 300tdi & Penman trailer with ally exped top and roof tent
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2nd May 2018 6:43am |
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| Bps Member Since: 14 Feb 2016 Location: Lancashire Posts: 833
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1st mod for me before you do any tuning especially on the fuel/boost side is to install a egt so you can see the result of any tuning and make sure it doesn’t get hot enough to melt something
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2nd May 2018 3:22pm |
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| NickMc Member Since: 01 Oct 2014 Location: Norn Iron Posts: 1628
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It’s an upgraded casting, doesn’t suffer cracking like the originals. Basically better air flow. The ports that let the air in and out are cleaned and shaped for better flow. I’ve dealt with turners for at least 20 years and you’ll struggle to find a person with a bad experience, will always offer help and advice with no hard sale. https://www.turnerengineering.co.uk/Mobile...2x20634610 |
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2nd May 2018 4:46pm |
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| foxhound Member Since: 02 Mar 2013 Location: United Kingdom Posts: 363
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What improvement have you noticed in fuel consumption? thanks 110 Defender 300tdi & Penman trailer with ally exped top and roof tent |
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6th May 2021 11:50am |
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