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salz2135
09-12-2007, 01:16 PM
Does this diagram illustrate a manual boost controller set up in parallel to the n75?


http://i130.photobucket.com/albums/p276/superman_006/parralle.jpg






If so, can someone show me the direction of flow?

TIA[up]

GarbatyA4
09-12-2007, 01:17 PM
Looks like it too me... nice find!

salz2135
09-12-2007, 01:24 PM
what is the flow direction from the manual boost controller?

akielb
09-12-2007, 01:31 PM
my guess would be that boost is coming from the turbo - since this is a boost and vacuum system - I can't give you a "flow" direction since its flows both ways

on another note (and I'm not sure if its covered in the "how to install a MBC thread) - what is the gain of doing this over just ordering a N75H

salz2135
09-12-2007, 01:41 PM
there are arrows on the MBC indicating a flow path. do the arrows lead to the wastegate T fitting or the turbo house T fitting?

a MBC in parallel with the n75 is done to prevent boost spikes. the MBC will bleed off the excess while the n75 still "controlls" it.

akielb
09-12-2007, 02:28 PM
arrow's go towards the wastegate. check out this side they have a few different diagrams and instruction sheets - just scroll down to manual
http://www.turbosmart.com.au/index.php?s=downloads