tt no boost...help??
Started by Mbooma, Feb 19 2014 01:11 PM
293 replies to this topic
#181
Adam
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Posted 11 March 2014 - 05:27 PM
Mind has 'sploded! Should definitely keep this thread about OPs problems. Any new discussions, start a TT thread! Because I'm interested in reading
#182
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Posted 11 March 2014 - 05:49 PM
Here is some very useful information about solenoid operation.
http://www.veloce.pw...ion/valveop.htm
'04 Liberty GT Premium "The Sprog Chariot"
#183
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Posted 11 March 2014 - 08:33 PM
Here's an update on behalf of MOOBS.
A scanner was reading a code for the TPS (Throttle position sensor) and this code was cleared and hasn't returned yet.
Two thirds of the Vac lines have been replaced with blue 3mm ID silicone vac lines.
The Blow off valve vac lines were plumbed for the standard BOV and have now been set up for the aftermarket GFB T9000 BOV.
Also a restrictor pill was missing in the original BOV plumbing.
Several leaks were found from hose clamps on intake & turbo pipes .
The wastegate control solenoid was gummed up and has been cleaned.
The MAF sensor was filthy and has been cleaned.
The air filter box top wasn't sealed flush and had a half inch gap. Drawing in unfiltered air.
The main loss of power was from the leaking BOV.
90% of the fins in the intercooler are pressed flat and will be straightened.
The remaining vac lines will be replaced, including inside the BBOD.
BBOD solenoids will be cleaned.
The car now pulls heaps heaps harder and sounds crisp 
.
There is a humming or chatter at changeover in the VOD that Moobs notices. I couldn't hear it because I don't hear properly and I was stoned.
It may be the noise of the SPV???
Or possibly ECV flap rattle???
I couldn't diagnose it but it's pissing him off so he'll keep on working on that.
Now we just wait for Moobs to report back about his drive home.
#184
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Posted 11 March 2014 - 08:46 PM
**Report**
i have fell completely inlove.with it all over again
The car has alot more power its more respomsive an snappy the humm is still there an will look in to it further but as for now its running amazing 10x better than it was
MASSIVE thanks to bosskong for the help an knowledge deffinitly a case of beer goin ur way soon and yea i still hav to pick the.fins open on the tmic but will do that in a few days
Will also post some photos tomz of the new lines as well as the new grill to replace the honey comb grill
i have fell completely inlove.with it all over again
The car has alot more power its more respomsive an snappy the humm is still there an will look in to it further but as for now its running amazing 10x better than it was
MASSIVE thanks to bosskong for the help an knowledge deffinitly a case of beer goin ur way soon and yea i still hav to pick the.fins open on the tmic but will do that in a few days
Will also post some photos tomz of the new lines as well as the new grill to replace the honey comb grill
#185
aekOne
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Posted 11 March 2014 - 08:56 PM
good man Josh!
great to hear it's all running much better now
#186
Jimbo
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Posted 11 March 2014 - 08:59 PM
I just made up this new thread, AEK MAKE IT STICKY!
http://www.subyclub....-to-twin-turbo/
Mbooma, have a thorough read through this and it will help you understand how it all works and how to look after it.
'04 Liberty GT Premium "The Sprog Chariot"
#187
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Posted 11 March 2014 - 09:01 PM
**Report**
i have fell completely inlove.with it all over again
Me too dude.
This thread is awesome.
So much shit is put on TT's but they're forking awesome when they're sorted.
So 
youz haterz cubts!
Winning!
#188
Robert
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Posted 11 March 2014 - 09:03 PM
Get rid of the blue wheels, the cars trying to tell you something.
#189
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Posted 11 March 2014 - 09:44 PM
Good stuff Bosskong always helping out the TT Lads, if anyone's touched every part in a tt bay its probably you.
#190
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Posted 12 March 2014 - 08:44 AM
Joshbossbongkong you forking legend.
#192
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Posted 12 March 2014 - 08:58 AM
Good to see a result.
Be careful with the rattle, it may not be the ECV rattle. could be pinging and we all know what that leads to on a B4...
Dak Dak BOOM!
#193
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Posted 12 March 2014 - 09:34 AM
It's going to run pretty good once the intercooler is actually doing it's job. It might be making it ping??? It's very blocked and is getting so hot.
I was generous saying it was 90% blocked.
More like 98%.
Once it's all sorted out with clean solenoids & lines it should be pretty reliable too. The car has only travelled 125K and everything else appears to be in good order.
Very glad we got some results.
Since this all started, Moobs has learn't a shit load about his car in such a short time, saved a large whack of cash by giving it a go himself and now is thinking of improvement mods. Not fixes.
That's the best thing.
Moobs, I'd jump on that larger intercooler if I were you. It's cheaps as fork bro!
#194
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Posted 12 March 2014 - 09:38 AM
Good to see some results!! Good work Josh.
My suspected ECV rattle was in fact a big end bearing rattle. #expensivenoises
My suspected ECV rattle was in fact a big end bearing rattle. #expensivenoises
#195
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Posted 12 March 2014 - 10:03 AM
B4's ping at the best of times on 98RON with a well flowing intercooler.
Getting ECU mods is imperative to keep the thing running
They're a 9.5:1 Hi comp motor running a dogsh!t tune
#196
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Posted 12 March 2014 - 10:17 AM
MRT have had their hands on this one so I dare say ECUTEK tune.
#197
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Posted 12 March 2014 - 10:34 AM
#198
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Posted 12 March 2014 - 01:23 PM
Ewww hahaha
#199
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Posted 01 April 2014 - 09:35 AM
I'm posting this here because it seems logical.
I miss our little TT chats.
I did the ECV mod to my car yesterday. The transition is so much smoother now & VOD has reduced drastically. VOD from 4200rpm - 4500rpm and only losing 6 psi which is a marked improvement to how it was.
I'm not sure if this is totally from the mod alone or from proper ECV adjustment. I have been mucking around with the ECV for some time. I'll take the car for a good spin this arvo to see how it all goes then change back to the standard solenoid plumbing to compare performance.
And Moobs, give us an update mate.
#200
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Posted 01 April 2014 - 09:51 AM
Boss, I'll have to put my B4 in your capable hands one day... LOL!
2002 B4 Rev E
2004 Outback Premium 3.0R
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