Vehicle & Technical > Defender

performance upgrade 300tdi

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martha focker:
whats the best thing to do, withought spending much to get the best out of the engine 8)

off road.

and road wise

 :lol:

L90OOK:
Tweak the fuel pump & boost...F.O.C  :lol:
Full size intercooler...
That should make a great improvement  8)

GREENI:

--- Quote from: "martha focker" ---whats the best thing to do, withought spending much to get the best out of the engine 8)
 :lol:
--- End quote ---


Try using it for a start  8)

Mark_Solesbury:
Full size intercooler, or an Alisport normal size one..

Porny:
Don’t just jump in with both feet and tweak your pump – make sure everything is set/working correctly first!!!


Check timing (cam and fuel injection pump - FIP) is set correctly .  You can even slightly advance the FIP if you want.

Check that the lift pump is working correctly

Check the throttle cable is adjusted correctly

Fit a new fuel filter and make sure the air filter is clean (fitting an ITG or similar helps)

Check valve clearances

Check the boost pressure is set to at least 1 bar

Remove the EGR if fitted

Fit a none CAT down pipe (if yours has a CAT) – and then look at the rest of the exhaust system – there are better options available by mixing and matching standard exhausts fitted to 300Tdi’s.

Get your injectors flow/leak checked (can make quite a difference!!)


Then…..

Tweak the injector pump (and make sure it is working correctly to!!!) – And consider raising the boost pressure slightly (17 or 18psi is the limit for the turbo, before it becomes very inefficient)

If you want more then fit a big intercooler….

And then if you want more still - I can have the FIP rebuilt with bigger internals…then you’d be looking at hybrid turbos!!



Ian

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