MBC question

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MBC question

Postby Jamah » Sun Jul 30, 2006 7:06 pm

Hi, I searched on the forum but found nothing that could help me. The thing is that I bought a mbc on ebay and have to clue where the "?" marked hose would go. I tried to draw it on paint and here's what it looks like :lol:
thanks for u help
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Postby Gary » Sun Jul 30, 2006 9:26 pm

What is that thing on the upper right corner? (where blue lines are connected to)
Intake manifold?
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Postby Jamah » Sun Jul 30, 2006 9:28 pm

nah its the boost controller itself...the other T piece has a ball and spring in it .... :doh:
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Postby Jamah » Tue Aug 01, 2006 3:19 pm

Bump!
No one knows ? wow this is one strange mbc :P
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Postby Gary » Wed Aug 02, 2006 12:33 am

Indeed.
Normally, ball & spring MBC comes in one piece with 2 ports.
You connect the port on the ball side to the compressor.
And the other port to the wastegate actuator.
Then you disconnect the TVSV and cap it.
Can you like us to the auction?
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Postby Jamah » Wed Aug 02, 2006 2:47 am

heres a link to a boost controller just like mine...

http://cgi.ebay.com/ebaymotors/Y-TURBO- ... dZViewItem

sorry i should have posted this instead of my paint drawing :twisted:
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Postby Jamah » Wed Aug 02, 2006 2:50 am

argh sorry found just the right one that says it all...but exacly what does "exhaust hose - to engine bay" means ?

http://cgi.ebay.com/ebaymotors/Y-TURBO- ... dZViewItem
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Postby Jamah » Wed Aug 23, 2006 5:34 pm

bump!
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Postby Gurr » Thu Aug 24, 2006 9:33 pm

To hook this up, take vacuum hosing from the compressor to the bottom barb fitting, then the top barb fitting to the wastegate actuator. The T piece doesn't need to be used.
White 165.

Working out the 2g head/turbo swap kinks right now. *hates wiring problems*
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Postby Jamah » Fri Aug 25, 2006 11:44 pm

are you sure because before blowing up my other 3s i hooked it up like this and i kept hiting the fuel cut.....?
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Postby Gary » Sat Aug 26, 2006 2:08 am

I don't know why that guy sell you 2 pieces. :shrug:
It should have only 2 ports, a knob (or screw), a BB (or two), a spring inside, and a tiny hole.
Basic ball and spring MBC:
http://www.geocities.com/chmwatson/FAQs/mbc.html
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Postby Jamah » Sat Aug 26, 2006 1:27 pm

pretty strange since they have tons of this kind on ebay :doh:
but the thing is that the spring and ball thing are in the T piece so i have to use it .... :shrug:
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Postby pepper » Sun Aug 27, 2006 7:31 am

Some kind of two-stage controller? The ball and spring set an initial boost level and the other part is a bleed unit to allow for further boost?
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Postby alanip » Mon May 14, 2007 5:36 am

i got the same problem ,can any one help us out ?
i have ask some people and they tell me the exhaust hose is no need to conect to anything, but when i tey this set up my boost is keep going up non stop
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Postby GT4RC » Mon May 14, 2007 6:32 am

Any chance it is the alternative to drilling this hole to prevent signal lock?
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bit of a shot in the dark on my part though, as the link to the auction is down now and I can't see what you have. :shrug:
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