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IP with 11mm and shimmed gov..problems
by
darrenjlobb
on 20 Sep, 2009 12:50
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Hello again guys,
Right, i have fitted an 11mm head from a transit pump to my pump now, this paired with the shimmed main spring on the gov assembly, i was hoping would provide me with plenty of potential..
The problems im having, is, on boost, i cant get enough fuel from it, i have the pump pretty much screwed right out, and theres not a whiff of smoke on boost, as once u come past 3.5krpm, it starts loosing power and boost, so its obviously not getting the fuel it used to on the old head...
It also seems to smoke just as badly off boost as the other head... Im sure i should be getting more from it than i am, any ideas?
I changed the head, the plunger, and return springs, and assoicated shims/washers
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#1
by
snakemaster
on 20 Sep, 2009 13:00
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whats this on 1.6td ?
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#2
by
darrenjlobb
on 20 Sep, 2009 13:09
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Nah its on a 1.9td XUD based peugeot...
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#3
by
snakemaster
on 20 Sep, 2009 13:27
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its not the mater of banging a 11mm on a std pump and you have big power the pump needs a bit of work+ you want to run boost up to 5000 rpm , i would not put more than a 10mm head on a pug set up , and a well set up pump10mm would be good for 160-180 hp,
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#4
by
darrenjlobb
on 20 Sep, 2009 13:31
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Well its running a hybrid t25 turbo, which happily keeps the engine at 26-28 psi until 6krpm...
The main spring is shimmed, and lda pin grinded... what else can i do to "set it up right" the dynamic advance piston has more travel, as the cap is shimmed out from the pump body, and the springs are also shimmed to keep there spring rates correct.
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#5
by
snakemaster
on 20 Sep, 2009 13:37
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control lever . need a nother one or mod one for more travel
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#6
by
darrenjlobb
on 20 Sep, 2009 13:54
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Do you think i need to swap the levers that control the control ring from the 11mm pump?
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#7
by
snakemaster
on 20 Sep, 2009 14:50
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the one from the transit is a little beter but if you want loads of fuel , you will have to mod one , change the pivet point
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#8
by
darrenjlobb
on 20 Sep, 2009 15:13
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So are my 9mm lever not giving full travel of the control collar?
And would i need to increase the pumps internal pressure now with the bigger head?
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#9
by
snakemaster
on 20 Sep, 2009 15:29
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So are my 9mm lever not giving full travel of the control collar? thats right
And would i need to increase the pumps internal pressure now with the bigger head? no dont think it would make any difrance
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#10
by
anto
on 21 Sep, 2009 00:14
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Snakemaster should we be modding the control lever the same way it needs modded for an m-tdi set up as hey has described in the FAQ section?
If so maybe we should just add the camplate from the transit as well while we are at it?
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#11
by
snakemaster
on 21 Sep, 2009 12:03
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some pumps dont need it but some do .if your wanting big power i would say yes mod it . i have not put a transit or tdi cam plate in a pump built for a idi so i would not like to say if it would be better .
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#12
by
dts67
on 21 Sep, 2009 13:01
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I can understand why you would do that for a di camplate but not for a head?
Is there a definate fuel advantage running these levers? I'm running roughly the same pump as darren from saturday and I'm happy enough
so far Is there more to come?
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#13
by
darrenjlobb
on 21 Sep, 2009 13:05
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Thing is, my car goes worse with the 11mm head than the 9mm, once i go past 3500rpm, it just looses fuel big time... its a nitemare tbh...
Ive seen about that thread about welding the control lever up to extend, but seems pretty precision... can i not just run the 11mm pumps levers? Or wont that work?
Con, you mensioned having to have the max fuel hanging out on its last thread.. i dont have any of that... mines in normal postition pretty much....
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#14
by
dts67
on 21 Sep, 2009 13:16
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Maybe I cant see the problem because I've a smaller turbo, I've only 19psi?