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turboxs boost controler manual

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WhyteSpyder

20+ Year Contributor
60
0
Jan 7, 2003
Sorry if I posted on the wrong forum, but does anyone have or know where I can find turboxs high performance instruction manual. If I'm correct, the HPBC has two two boost control mechanisms built into it. One is a ball and spring mechanism for large and coarse boost pressure increases, and the other is a bleed valve system for precise boost pressure setting. I have the adjusting screw back up almost all the way out and the bleed valve all the way out and I only see about 10 psi on my guage. Did i do this right or not? Neep help.
 
For ball-and-spring type boost controllers, you want to screw the adjuster knob IN to raise boost. This compresses the spring, and therefore it needs more boost pressure before a signal reaches the WGA.

For bleeder type, you want to OPEN the valve to raise the boost.

However, bleeder type MBC's SUCK.

.....Kyle T.
93 TSi AWD "TURBO4"
14b - 12.8 @ 108
 
I will try that, because right now I have the screw on the ball and spring valve back all the way out and the bleed valve out to about 1/4 of inche from the edge of the valve and I get only 10 psi. It boosted fast to about 10 psi then the needle stops moving up. Anoher question, do I have to set both the ball and spring valve (brass) and the bleed valve (blue) at the same psi or not?
 
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