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+--- Thread: Bosch pump conversion (/showthread.php?tid=11823)
Bosch pump conversion - Y444TES - 11-03-2013
Alright everyone not been on much really not messed about with 306 much but now I've sold the other car I've started to have a play. I have fitted a bosch pump lines and injectors on Saturday I've done a gov mod to the pump ( thanks for the guides on here) and I have ground the LDA pin.The pump was completely stand when I got it still had anti-tamper thing on the max full screw so after doing about 200miles this weekend to make sure everything is ok car drives well and pulls really so I wanted to get a bit more power out of the pump and so coal haha so I set about tweaking the pump I have adjusted the boost compensator and I tried to adjust the max fuel screw with the engine on but I only hav to turn the screw about quarter of a turn and the revs go up about 500 rmp so do I need to adjust anything else before I fiddle with the max fuel screw thanks for any help.
RE: Bosch pump conversion - Piggy - 11-03-2013
yeah drop the idle first...use the throttle arm stop and the idle screws on the back of the pump (accessed from the top)
then you can increase it.
how much have you increased the boost by? and how much is the internal LDA adjuster wheel turned?
RE: Bosch pump conversion - ozonehostile - 11-03-2013
the idle will inevitably go up once you start increasing the amount of fuel per cycle, but you can fine tune it a little bit with the hot and cold idle adjustment.
my fully maxxed out 9mm bosch cold idle is 1200rpm then 800rpm at hot idle so its possible to control things this way to some degree
RE: Bosch pump conversion - Tom - 11-03-2013
Your throttle arm can sit back alot further yet! Theres a screw on the back that holds it in place.
RE: Bosch pump conversion - ozonehostile - 11-03-2013
also bent the throttle arm to get more travel
Bosch pump conversion - Y444TES - 11-03-2013
Thanks for that didn't think of this I'm a bit tired. I've not adjusted the wheel in side yet what would you suggest how much adjustment.
RE: Bosch pump conversion - Piggy - 11-03-2013
all depends on turbo, engine, pump, lda grind...fine tune to your tastes
Bosch pump conversion - Y444TES - 11-03-2013
Thanks for the help lads I'll have a tweak tomorrow. I will probably have to tweak it all again when I change the turbo anyway.