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small tube on rear of LS6 intake?

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Old 02-26-2011, 06:46 PM
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Default small tube on rear of LS6 intake?
What is the smaller thinner tube on the back of the ls6 intake go to? Does the bigger 1 go to the vacuum on the brake booster?
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Old 02-26-2011, 09:45 PM
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Bigger one goes to the booster, on the stock car it is used for vaccum for dash vent controls
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Old 02-26-2011, 10:11 PM
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Originally Posted by Rick Speed
Bigger one goes to the booster, on the stock car it is used for vaccum for dash vent controls
Do I need to cap the little one or can I just leave it?
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Old 02-27-2011, 01:53 AM
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Originally Posted by crosstraining
Do I need to cap the little one or can I just leave it?
Cap what you don't use or it will be a vacuum leak and the engine won't run properly.
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Old 02-27-2011, 11:07 AM
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Originally Posted by crosstraining
Do I need to cap the little one or can I just leave it?
Yes like the gentleman above said, you must cap any that you don't use on the whole motor or it creates a vacuum leak.
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Old 02-27-2011, 11:20 AM
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Thanks guys, Any ideas on where I can get a little cap?
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Old 02-27-2011, 11:33 AM
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Your local parts store should have an assortment of colored caps to put on them.
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Old 02-27-2011, 11:38 AM
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what would be the symptoms of a vacuum leak...i dont remember if i capped mine when i removed the air system
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Old 02-28-2011, 03:28 AM
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High idle, lean code set, stumbles and fumbles and likely a loud *** hissing noise.
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Old 03-02-2011, 09:32 PM
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that helps thanks!
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Old 03-02-2011, 09:51 PM
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Originally Posted by BBC632Camaro
Yes like the gentleman above said, you must cap any that you don't use on the whole motor or it creates a vacuum leak.
I just take the T off and plug the small line right into the back of the intake with one of the straight rubber hoses.
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