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vacuum block and vac. line ?

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Old 07-01-2014, 10:02 PM
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Default vacuum block and vac. line ?

Will a 5/8" to 3/8" vac line to vac. Block suffice to feed my waste gate bov and etc?

Or does it need to be a 1/2 atleast
Its coming from the brake booster and going to the fuse box area.

Will this work with 0 issues?

Any better ideas or tricks? Any pix of others?
Old 07-02-2014, 12:14 AM
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I run a -6 line from my manifold elbow to my vacuum block. Vacuum block has 5 separate things hooked up with no problems.
Old 07-02-2014, 12:31 AM
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And thats roughly a 3/8" tube.
Cool thx
Old 07-02-2014, 11:09 AM
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Can anyone else verify 3/8" will work before I cut up my booster hose and install a tee
Old 07-02-2014, 12:20 PM
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What intake manifold are you running ?
Old 07-02-2014, 04:09 PM
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Ls6....
Old 07-02-2014, 09:00 PM
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The 3/8" will work.

Reason I asked about the intake is I used the PCV port and the small side of the brake booster port to feed my block it's VAC source with the LS6. Clean way to use the unused ports instead of capping them.
Old 07-02-2014, 09:07 PM
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Got a pic? ^
Old 07-02-2014, 10:08 PM
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I have the HVAC plumbed into the vacuum manifold as well. I have a total of 5 vacuum operated systems pulling from that manifold... No problems.


[IMG][/IMG]

[IMG][/IMG]

[IMG][/IMG]
Old 07-02-2014, 10:22 PM
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Very cool and badass set up
Ya I heard to pull vacuum from the edront of the intake is not good? ??

Also y not just tee from the booster line?
Old 07-03-2014, 09:23 AM
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Thanks man... Pulling vacuum anywhere behind the throttle body is all the same.



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