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Need help with MBC setup

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Deathmug

15+ Year Contributor
117
1
Sep 20, 2004
Bremerton, Washington
Hey guys.
I'm about to put my new turbo on & I wanted to make sure I've got this MBC setup correct.
It's an external wastegate by the way.

Check it out. Is this right?

<img src="http://i9.photobucket.com/albums/a65/mugofdoom/MBCsetup.jpg" alt="Image hosted by Photobucket.com">
 
I would just like to add that in my personal case, switching back to the compressor nipple "compressor reference port", helped out a good bit

1) The BOV response is better (HKS SSQV) having its own vaccuum source
2) The boost spikes aren't nearly as bad since now I have a total of maybe 6-8" of line on the mbc/wastegate actuator instead of easily double or tripple that length.
 
Deathmug said:
Thank you, everyone, for your input.

Correct me if I’m wrong here:
If I’ve got my boost gauge source from the manifold (the last place to measure boost before it enters the cylinders), and the MBC source at the compressor housing (shortest root for tubing to reduce chance of boost spike), than inconsistencies in boost pressure due to pressure drop or whatever wont really matter. I say that because I’ll still be reading accurate boost on my gauge. I'll still be able to achieve desired boost by adjusting the MBC.

I could see how it would matter on an electronic boost controller, but not a MBC.

Am I right?
i could not have said it any better! :thumb:
 
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