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Have a quick question about LS6 intake

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Old 03-20-2011, 04:37 PM
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Default Have a quick question about LS6 intake

On the back of the LS6 intake, there is the MAP sensor, brake booster and a vacuum line. Where does the vacuum line come from? It goes to HVAC but what is that? and where is the other end of that line go?

Also, on the drivers side of the engine, valve cover, there is what appears to be a crank case ventilation hole back close to the firewall side of the valve cover....where does that vacuum line run to?

Thanks

Last edited by deedubb; 03-20-2011 at 04:50 PM.
Old 03-20-2011, 06:31 PM
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The nipple on the drivers side was originally capped off. The big hose on the back should go to the booster and I am not sure but I think the small nipple is also capped.
Old 03-20-2011, 06:35 PM
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Ok thanks man. In reading more, I believe they are both capped also.
Anyone with a stock manifold (LS6) that can take a peek behind to ensure the HVAC port is indeed plugged, I would certainly appreciate that.




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