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boosting probs, help urgent pls

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Old 01-07-2004, 04:01 PM
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RobS
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Default boosting probs, help urgent pls

fitted t4, when i give it sum wont boost properly over 25psi, sounds like wastegate opening cos can hear chatter from filter, got -34 actuater which is 2 mnth old, any ideas y this happening
Old 01-07-2004, 04:05 PM
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GARETH T
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bring it down on the weekend dude, ill have a lookie for you
Old 01-07-2004, 04:06 PM
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Leaking boost pipe,dodgy diaphram on dumper? Why a -34 on a T4 Rob??
Old 01-07-2004, 04:06 PM
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Stu @ M Developments
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Thats compressor surge mate..
DO NOT drive it with this condition active as it can cause VERY serious damage indeed.
Old 01-07-2004, 04:08 PM
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This will answer your next few questions i imagine...
https://passionford.com/forum/viewtopic.php?t=34511
Old 01-07-2004, 04:12 PM
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Originally Posted by Stu @ M Developments
Thats compressor surge mate..
DO NOT drive it with this condition active as it can cause VERY serious damage indeed.
FOOOK ME!!!! I thought it was that as soon as I read the symptoms...

I am amazed at myself ... see I'm not just a fat ugly face
Old 01-07-2004, 04:14 PM
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RobS
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thanx stu, now i no wot it is is there anyway of stopping it or is the turbo just no good 4 my car
Old 01-07-2004, 04:16 PM
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Stu totally mapped out all the surge from my MD240... In my opinion the turbo was a poo design though. Other people have apparently had alot of success with them though.

How was Daz's dads MD240R Stu, surgetastic or was it ok?
Old 01-07-2004, 04:18 PM
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Porkie,
see I'm not just a fat ugly face


You twat.. ive spat fookin tea all over my monitor again!! What a damn waste of great Tea!!



RobS,
thanx stu, now i no wot it is is there anyway of stopping it or is the turbo just no good 4 my car
Live mapping with air injectors is step 1.
As said above have a browse of that post for far more info on what exactly surge is. (Try to ignore me and Mike arguing )
Old 01-07-2004, 04:21 PM
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If you don't have any air injectors Rob, I have a set for sale with the 12 position boost pot.
Old 01-07-2004, 04:22 PM
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Porkie,
How was Daz's dads MD240R Stu, surgetastic or was it ok?
Well,
It wasnt as bad as yours if that helps, and since the head spec wasnt as good as yours it should have been worse really mate

Ran 1bar from 2200rpm up to 4200rpm then 35psi peak at 4300rpm and 32held to the 7500 limiter...

Maybe they have revised the compressor or turbine mate
Old 01-07-2004, 04:23 PM
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Originally Posted by Porkie
Originally Posted by Stu @ M Developments
Thats compressor surge mate..
DO NOT drive it with this condition active as it can cause VERY serious damage indeed.
FOOOK ME!!!! I thought it was that as soon as I read the symptoms...

I am amazed at myself ... see I'm not just a fat ugly face
i can just see it now..Porkie's developments
Old 01-07-2004, 04:27 PM
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RobS
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right thats sorted i got air inj, put kettle on stu be up in 5hrs lol
Old 01-07-2004, 05:28 PM
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thanx 4 advise guys, pf come through again

bell u sat gareth

thanx 4 help on fone stu, u da man
Old 01-07-2004, 05:33 PM
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Default Re: boosting probs, help urgent pls

Originally Posted by RobS
sounds like wastegate opening cos can hear chatter from filter
wastegates DONT make the chatter noise, EVER!

deffo needs a remap tho rob, that thing flows a lot of air! dont wana break it before its ready!
Old 01-07-2004, 05:37 PM
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GARETH T
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Originally Posted by RobS
thanx 4 advise guys, pf come through again

bell u sat gareth

thanx 4 help on fone stu, u da man
i'll be down the docks mate, a little hungover but ill be ok
Old 01-07-2004, 05:50 PM
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Mine was the smaller non 'R' jobbie Stu. Seems bigger IS always better
Old 01-07-2004, 06:05 PM
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Rhys
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Doh nightmare Rob!! nothing is every as simple as it seems eh??

Sure you will get it sorted though mate


Old 01-07-2004, 06:27 PM
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Stu @ M Developments
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Porkie,
Mine was the smaller non 'R' jobbie Stu. Seems bigger IS always better
Was it? Id have sworn it was the "R".
My memory is shite
Old 01-07-2004, 06:57 PM
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Originally Posted by Porkie
Originally Posted by Stu @ M Developments
Thats compressor surge mate..
DO NOT drive it with this condition active as it can cause VERY serious damage indeed.
FOOOK ME!!!! I thought it was that as soon as I read the symptoms...

I am amazed at myself ... see I'm not just a fat ugly face
you nutter
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