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oh dear

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Guardian.:
messed about with intake and fueling today on a disco300, got it flying, didnt realise how quick you could get them going, then tonight disaster.
clouds of black smoke belched out the back and wont idle very well.
any ideas?
ps. dont try this at home.

Budgie:
Did you make a note of what adjustments you made, so you can put it back to normal?
Also, what did you do to the intake, is it the turbo boost you've done by shortening the threaded bar to the wastegate?

I've done the injector pump adjustments and not had any problems with the idle. I did start getting black smoke but I just turned things back a wee bit until it stopped.
If the Disco hasn't got a larger intercooler fitted then the diaphram should only really be turned through about 90 degrees, otherwise you just waisting fuel.

Did you do anything to the Power Adjustment Screw on the back of the injector pump (the one with the steel anti-tamper collar on it) as this maybe the problem if you did. Either that or you took too much tension out of the diaphram spring and it's going to full fuel as soon as you touch the throttle.

Best thing to do is put it back to standard and start again, but only do one thing at a time and see how it runs.  :wink:

Guardian.:
hi
i didnt play with wastegate, only cus i couldnt get to it without load of agg.i just re routed the air intake toforced air straight in from front as opposed to sucking between the wings.
i adjusted the diaphram a bit, ok, a lot, and no as usual i didnt mark anything, and then knoked of the plastic coller and wound her in about 3 turns.
it went well, very much quicker and ran fine all afternoon, smoked a tad under heavy acceleration but its going too. then tonite went out all of a sudden loads of black smoke and wont idle, or its very lumpy, so adjusted the idle screw so it idles again although slightly to quick i think, but smokes like a kipper!
think im gonna have to guess where everything was and start again.
the only thing is, now it has an intermittent whistle noise coming from turbo area when idling, hope its not nacked the bearings.

Xtremeteam:
& the moral o this story is............................

If you dont know what your doing,dont touch  :wink:  :lol:

TimM:

--- Quote from: "guardian off road product" ---i just re routed the air intake toforced air straight in from front
--- End quote ---


Would that be the 'front' that goes underwater when fording?
Or the front that doesn't go near water?

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