#1
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MBC Connection
Hello
Stock turbo in D24T has 2 hoses going to WG I want to instal MBC, but I don't know how, which hose I have to cut ? Some photos will be great
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now: 480S, 480 Collection 158, 744 USA FK+ M90, 744 USA, 245 USA D24T+ +IC, 850 T-5R, 945 FK, 440, 460 ex: 745 USA FT, 480S, 3x480ES, 2xV70I, 945 D24TIC, 440 |
#2
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On all the stock d24t engines I have seen there is two different size hoses going to the WG. There is the larger hose connected towards the outlet of the compressor, this is the one you want to use. Sorry for not having any pictures.
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12mm pump heads, ARP stud kits and GTD nozzles available! http://d24t.com/showthread.php?t=1646 NA intake manifolds and 240 turbo pans for sale. Need d24 or d24t parts? PM me! Shipments done on fridays! 1982 242 D24+T/M46- Super pumped! Build thread: http://www.d24t.com/showthread.php?t=1545 1984 764 D24T/ZF build thread: http://www.d24t.com/showthread.php?t=1734 Diesel parts cars: 82 244,83 244, 84 244, 84 245, 85 745 |
#3
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I know that I need to plug mbc in 1 hose, but what about the 2 ?
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now: 480S, 480 Collection 158, 744 USA FK+ M90, 744 USA, 245 USA D24T+ +IC, 850 T-5R, 945 FK, 440, 460 ex: 745 USA FT, 480S, 3x480ES, 2xV70I, 945 D24TIC, 440 |
#4
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Connect into hose #1. Leave #2 alone, I haven't played with the stock turbos much but I believe #2 hose is air filter restriction compensation.
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12mm pump heads, ARP stud kits and GTD nozzles available! http://d24t.com/showthread.php?t=1646 NA intake manifolds and 240 turbo pans for sale. Need d24 or d24t parts? PM me! Shipments done on fridays! 1982 242 D24+T/M46- Super pumped! Build thread: http://www.d24t.com/showthread.php?t=1545 1984 764 D24T/ZF build thread: http://www.d24t.com/showthread.php?t=1734 Diesel parts cars: 82 244,83 244, 84 244, 84 245, 85 745 |
#5
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I had to engineer a small leakby into my MBC to get it to work right...the valve is cooled by air through that hose.
here's what's in there. http://forums.vwvortex.com/showthread.php?4853150 |
#6
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So the #2 hose is for the return of the "hot air"? That would make sense as the waste gate actuator is directly attached to the turbine housing.
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12mm pump heads, ARP stud kits and GTD nozzles available! http://d24t.com/showthread.php?t=1646 NA intake manifolds and 240 turbo pans for sale. Need d24 or d24t parts? PM me! Shipments done on fridays! 1982 242 D24+T/M46- Super pumped! Build thread: http://www.d24t.com/showthread.php?t=1545 1984 764 D24T/ZF build thread: http://www.d24t.com/showthread.php?t=1734 Diesel parts cars: 82 244,83 244, 84 244, 84 245, 85 745 |
#7
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Okej, thanks guys We will see the power on the 1.2bar
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now: 480S, 480 Collection 158, 744 USA FK+ M90, 744 USA, 245 USA D24T+ +IC, 850 T-5R, 945 FK, 440, 460 ex: 745 USA FT, 480S, 3x480ES, 2xV70I, 945 D24TIC, 440 |
#8
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MBC have plugged as shown in the scheme below, to the hose 1 from post above. However, the turbo did not respond to the shooting mbc, blows to 0.7 bar, and so holds. The valve itself is OK, this type only regulates the flow of air through each other and that it works. Air flow through the tee toward the wastegate. Blowing from the wastegate and mbc in cold side turbo lack of routes, which probably good, just as I blow from the cold air that goes to the wastegate and mbc. All kind of okay, and the lack of regulation.
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now: 480S, 480 Collection 158, 744 USA FK+ M90, 744 USA, 245 USA D24T+ +IC, 850 T-5R, 945 FK, 440, 460 ex: 745 USA FT, 480S, 3x480ES, 2xV70I, 945 D24TIC, 440 |
#9
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Put it where the T is, and ignore the 3rd line that you will no longer have.
Dead end of 3rd line in pic goes to wastegate. You might need about an 0.020" bleed hole downstream of the controller. Last edited by 745 TurboGreasel; 04-05-2014 at 04:00 PM. |
#10
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I have mbc bleed type and I think this is a problem. MBC have small vent whole and pressure escapes not enough. I need to buy mbc type pressure
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now: 480S, 480 Collection 158, 744 USA FK+ M90, 744 USA, 245 USA D24T+ +IC, 850 T-5R, 945 FK, 440, 460 ex: 745 USA FT, 480S, 3x480ES, 2xV70I, 945 D24TIC, 440 |
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