Hi all, I've just fitted a 200tdi to my 90, and have fitted an Allisport intercooler. I'm looking to increase the fuelling a little and know where the adjustment screw is, but what I'd like to know id is there a tamper proof arrangement on it before i try and turn it with the screwdriver and snap the end off! I've tried persuading it gently with a screwdriver but it won't budge. I suspect that there is a locking nut or similar. Can anyone advise please??
Thanks
Dave
Dave Hi,
If you ask Andy (the owner of Allisport) he will be able to provide you with the full instructions on how to do it.
An easy way to increase the fueling when on boost is to remove the fuel pump's cover (the one held in place with the four screws) and turn the diaphragm clockwise until you are happy but the car does not smoke too much when you accelerate. REMEMBER to mark the initial position with two dots (one on the diaphragm and one on the fuel pump's body) using a permanent marker so that you know where the diaphragm was before you have "tweaked" it.
You can also find some very useful instructions on how to further tweak your fuel pump here
Take care Pantelis Giamarellos LAND ROVER CLUB OF GREECE
On or around 20 Sep 2004 04:47:25 -0700, snipped-for-privacy@yahoo.com (Dave Reynolds) enlightened us thusly:
the adjusting screw on the bosch pump is on the back face above and to the right of the injector outlets looking from the back, about in the 2 o'clock position. There's a 13mm locknut on it, probably hidden under a seal of some kind, you need to access that and slacken it. screw the screw in for more fuel, out for less, about 1/4 turn max at a time, it's quite sensitive.
if it makes lots of smoke, you've gone too far...
The diaphragm thing adjusts the response of the pump to turbo pressure, whether you need to adjust this if you've not altered the boost pressure I don't know. Allisport should be able to tell you.
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