creep with turbo xs and bov line...

[Boosted19]

hey guys.. boost is set at 15 pounds and creeps up to about 18 pounds, I have a turboxs MBC (bleeder type) and its hooked up to the BOV line. I know its bad so Im going to tap it in the compressor housing nipple (t28) will that get rid of my creep? I dont want to take the turbo off and port it lo. at least not right now.. Its cutting out (like fuel cut) when I hit 18 or 19 pounds at 5000 and Its getting annoying. . any help is appreciated!!! thanks!!!

 

[dsmdragon]

you know creep happens say if you don't have enough exhuast geting by in your wastegate. That is the biggest problem people have. check that first and if you haven't ported it out yet that would be your problem. Also a test pipe a.k.a high-flow-cat then that might be another reason. Do/check those first. other then that all I can say is lower the boost for now so if it does creep it only hits 15psi.

 

[ZiggysDSM]

you know creep happens say if you don't have enough exhuast geting by in your wastegate. That is the biggest problem people have. check that first and if you haven't ported it out yet that would be your problem. Also a test pipe a.k.a high-flow-cat then that might be another reason. Do/check those first. other then that all I can say is lower the boost for now so if it does creep it only hits 15psi.

you are partially correct the flow of exahust gas is the number one problem for creep but has nothing to do with the catalytic converter unless it is clogged but still wouldnt cause creep, your creep is most likely cause from one of 2 things your wasegate flapper or your 02 housing. your bov and boost controller should never be on the same line it may cause creep but highly unlikely it mostly causes bov leak. as your boost controller bleeds off excess air it also decreases the pressure on the diaphram of your bov causing it to open a lil and loose boost pressure. the really only way to stop creap is a better flowing o2 housing or port yours and your wastegate

 

[Boosted19]

I have no cat, I figured I I was going to have to port the o2 housing or where the flapper is. Ill try to connect the MBC to the compressor housing. The turbo wasnt creeping before the MBC. But it was only about 15 pounds or so. I will try to re route it then try it again w/o the MBC. just to double check it that it doesnt creep.

 

[Low Impedance]

that and your MBC should NEVER see vacuum. Running it from a source off the manifold is generally a bad idea. Especially when it teed. Run the source for your MBC as close to the compressor housing as you can.

 

[Boosted19]

well i hooked it up to the compressor housing to the WG and it doesnt creep or cut out for now.. well see how it is tommarow! .. Thanks!!!