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Discussion Starter #1
Needing help to set up my lines, As the ATI instruction suck. This what I have. I may neet to tap something

MSD BTM= vacuum line

BOV line

Autometer Boost gauge

aeromotive 13204 vacuum line
 

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Plumb all of these to the intake manifold so it also sees vacuum... I'm assuming you have a combination vacuum/boost gauge.

Vacuum will open the bypass valve when you lift off the throttle.

Also if this is a carbed application, you want to run boost only to the regulator.
To do this connect this vacuum line between the carb & the blower. This way you have, for example, 7# fuel pressure at part throttle & 12# pressure at 5# boost. Vacuum will lower the pressure at part throttle & make it too low at idle etc. With EFI, you can keep the pressure regulator hooked to the intake... it lowers the base pressure roughly 1/2# per inch vacuum, so at 10" vacuum, you would have 5# less fuel pressure. With this setup you adjust your base fuel pressure with the vacuum line disconnected.
 

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Discussion Starter #3
thanks
 
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