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How did you connect brake booster to lsx swap?

Old 12-24-2014, 10:52 PM
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Default How did you connect brake booster to lsx swap?

How did you connect brake booster vacuum line to your Foxbody brake booster swaps?
Old 12-25-2014, 08:48 AM
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Trick question? FI, back of the intake there should be a vacuum fitting and then you just connect the hose to it. Or are you talking about carb? Some people use the vacuum fitting under the carb, some Holleys have it, or drill on the back side of the intake below the carb area and thread a fitting to it.
Old 01-05-2015, 01:45 PM
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I have a holly midrise intake
Old 01-06-2015, 07:32 PM
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any other suggestions?
Old 01-07-2015, 03:55 PM
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Drill/tap, add a port to the plentum area? None there now?
Old 01-27-2015, 04:24 PM
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any other suggestions? maybe hydroboost?
Old 01-27-2015, 04:37 PM
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Yeah sure hydraboost. But as stated above why not just drill and tap. Hydraboost can be pricey and complicated as compared to just hooking up a line
Old 01-28-2015, 11:03 AM
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That manifold doesn't come with a vacuum port at the rear of the manifold for the booster? The stock ls manifolds do.
Old 01-28-2015, 12:07 PM
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Manual brakes!

Andrew
Old 01-28-2015, 01:36 PM
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I have the Holley mid-rise intake, as well. There is a vacuum port already on it near the back. No drill/tap required. Depending on which plenum base adapter you have, it's an 1/8" and 1/4" NPT port, and the other style has a 3/8" NPT fitting.

Hook the booster up to the 3/8" fitting.


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