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Help with wieand intake

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Old Jan 13, 2008 | 06:06 PM
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71chevellels1's Avatar
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Default Help with wieand intake

Theres 3 ports on the back of the intake. two are threaded and one just has a hole with a threaded hole next to it. I bought the intake used, what is each hole used for? The ls1 is in a chevelle. THanks
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Old Jan 13, 2008 | 06:17 PM
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check out this link. It shows everything about installing that intake.

http://www.holley.com/data/Products/.../199R10267.pdf
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Old Jan 13, 2008 | 06:22 PM
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the one on the passanger side is supposed to be 1/2in hose barb, the middle is the map sensor, and the one on the drivers side is 1/4in hose barb.
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Old Jan 13, 2008 | 06:23 PM
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i think one goes to the brake booster and the other goes to the vacuum switch. don't know which one goes where though
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Old Jan 13, 2008 | 10:33 PM
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Thanks alot man, has anyone had to do the mod to the coolant tubes? Why do you have to do that? Is it hard? i just really hate to screw something like that up.
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Old Jan 14, 2008 | 01:57 AM
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Go to a sponsor's website (TSP and SpeedInc sell them for sure) and pick up a set of the LS6 coolant tubes.

Much easier and cleaner to install and they will provide enough clearance for the intake.
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