 Installed MBC Not working! |
 Apr 4, 2007 - 6:20 PM
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Enthusiast  Joined Mar 4, '06 From Ohio Currently Offline Reputation: 10 (100%)  |
Ok so I just put a MBC on my car last night. No matter how far up I crank it, I wont boost over 5 psi. I spliced into the turbo pressure vaccum hose (between the turbo and the wastegate), ran that to the INLET of the mbc. Then ran the OUT on the mbc to the wastegate. I then pinched off the vaccum hose that is on the other side of the wastegate. I believe it goes to the factory boost controller. What am I doing wrong?
I know I have to disable the tvsv. Can anyone confirm if its the blue connector under the intake? Thanks This post has been edited by toyotacrazy: Apr 4, 2007 - 6:22 PM |
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Apr 5, 2007 - 2:32 PM
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Enthusiast Joined Dec 5, '05 From LA, CA Currently Offline Reputation: 1 (100%) |
Don't forget, it depends on what TYPE of MBC he got. There are ball and spring type and bleed type.
If it is a ball and spring, you install it between the boost port on the turbo and the wastegate actuator. You also have to block off the second port on the wastegate actuator and the line that goes to the TVSV. If it is a bleed type, you can install it pretty much in place of the stock TVSV. You may need restrictors and other stuff to get this to work. -Charlie -------------------- 2003 Subaru WRX Wagon
1989 Camry Alltrac LE 3S-GTE - SV25/ST205 hybrid 1988 Camry Alltrac LE - BEAMS swap started |
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Apr 5, 2007 - 7:36 PM
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Enthusiast Joined Mar 4, '06 From Ohio Currently Offline Reputation: 10 (100%) |
QUOTE(phattyduck @ Apr 5, 2007 - 2:32 PM) [snapback]543537[/snapback] Don't forget, it depends on what TYPE of MBC he got. There are ball and spring type and bleed type. If it is a ball and spring, you install it between the boost port on the turbo and the wastegate actuator. You also have to block off the second port on the wastegate actuator and the line that goes to the TVSV. If it is a bleed type, you can install it pretty much in place of the stock TVSV. You may need restrictors and other stuff to get this to work. -Charlie I got the one with the diaphram. I took it apart and everything seems to be ok. Maybe I just need to place it inline on the other side of the wastegate actuator.???? What restrictors are you referring to? Heres what I bought and am having issues with ebay Heres how I hooked it up at the actuator My Webpage |
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Apr 6, 2007 - 2:15 AM
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Enthusiast Joined Dec 5, '05 From LA, CA Currently Offline Reputation: 1 (100%) |
QUOTE(toyotacrazy @ Apr 5, 2007 - 5:36 PM) [snapback]543668[/snapback] I got the one with the diaphram. I took it apart and everything seems to be ok. Maybe I just need to place it inline on the other side of the wastegate actuator.???? Well, if you got the one in the eBay link, you have a ball and spring type. Make sure you have it hooked up the right way (like, try flipping it around). It should only hook up right between the boost port on the turbo and the wastegate with everything else blocked off (just like what everyone else has said on the thread so far).What restrictors are you referring to? Heres what I bought and am having issues with ebay Heres how I hooked it up at the actuator My Webpage When I first looked at the thread, the picture did not show up. -Charlie -------------------- 2003 Subaru WRX Wagon
1989 Camry Alltrac LE 3S-GTE - SV25/ST205 hybrid 1988 Camry Alltrac LE - BEAMS swap started |
Posts in this topic
toyotacrazy Installed MBC Not working! Apr 4, 2007 - 6:20 PM
defgeph Are you throwing any CEL codes ? You could be in ... Apr 4, 2007 - 6:26 PM alltracman78 Jeff, if the MBC is working right and hooked up ri... Apr 4, 2007 - 6:52 PM
toyotacrazy QUOTE(alltracman78 @ Apr 4, 2007 - 6... Apr 4, 2007 - 7:17 PM Supersprynt I dont think you have this hooked up correctly. If... Apr 4, 2007 - 7:35 PM alltracman78 QUOTE(Supersprynt @ Apr 4, 2007 - 7... Apr 4, 2007 - 7:39 PM Supersprynt Bad word usage, didn't mean bypass as I meant ... Apr 4, 2007 - 7:42 PM toyotacrazy QUOTE(Supersprynt @ Apr 4, 2007 - 7... Apr 4, 2007 - 7:48 PM Supersprynt Wait, you did what? You crimped what exactly? Apr 4, 2007 - 8:06 PM toyotacrazy QUOTE(Supersprynt @ Apr 4, 2007 - 8... Apr 4, 2007 - 8:37 PM lagos you said you spliced into the line from the tubo t... Apr 4, 2007 - 9:38 PM toyotacrazy QUOTE(lagos @ Apr 4, 2007 - 9:38 PM)... Apr 4, 2007 - 10:11 PM brianforster RE: Installed MBC Not working! Apr 4, 2007 - 9:56 PM lagos what do you mean by "spliced"?
the pic ... Apr 4, 2007 - 10:25 PM toyotacrazy QUOTE(lagos @ Apr 4, 2007 - 10:25 PM... Apr 5, 2007 - 5:06 AM Supersprynt Haha sweet diagram!
If you have it the correc... Apr 5, 2007 - 8:15 AM WannabeGT4 QUOTE(Supersprynt @ Apr 5, 2007 - 8... Apr 5, 2007 - 9:30 AM Gary Do you have an air compressor or a bike pump? Remo... Apr 5, 2007 - 8:28 AM Consynx what is mbc is backwards Apr 5, 2007 - 9:24 AM Gary QUOTE(Consynx @ Apr 5, 2007 - 9:24 A... Apr 5, 2007 - 9:43 AM toyotacrazy Ill take it! PM me. Thanks Apr 5, 2007 - 12:37 PM toyotacrazy QUOTE(phattyduck @ Apr 6, 2007 - 2:1... Apr 6, 2007 - 5:12 PM phattyduck QUOTE(toyotacrazy @ Apr 6, 2007 - 3... Apr 6, 2007 - 7:00 PM toyotacrazy QUOTE(phattyduck @ Apr 6, 2007 - 7:0... Apr 6, 2007 - 11:06 PM Gary QUOTE(toyotacrazy @ Apr 6, 2007 - 11... Apr 7, 2007 - 4:45 AM toyotacrazy QUOTE(Gary @ Apr 7, 2007 - 4:45 AM) ... Apr 7, 2007 - 10:16 AM toyotacrazy when I took the mbc apart there was a spring and a... Apr 6, 2007 - 5:16 AM toyotacrazy I have my car back to a stock setup. I know that m... Apr 6, 2007 - 6:29 PM phattyduck QUOTE(toyotacrazy @ Apr 6, 2007 - 4... Apr 6, 2007 - 7:03 PM Gary I don't get it. Why don't you just test th... Apr 7, 2007 - 6:33 PM |
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